Part A: If a rock contains equal amounts of potassium-40 and argon-40, it means that half of the potassium-40 has undergone decay into argon-40. The half-life of potassium-40 is 1.25 billion years, so the age of the rock would be 1.25 billion years.
Part B: If a rock contains three times as much argon-40 as potassium-40, it means that 75% of the potassium-40 has undergone decay into argon-40. To find the age of the rock, we can use the equation:
Age = t * ln(P0/P) / ln2
Where t is the half-life of potassium-40 (1.25 billion years), P0 is the initial amount of potassium-40, P is the remaining amount of potassium-40, and ln is the natural logarithm function.
Solving for Age, we get:
Age = 1.25 billion years * ln(1 / (1/3)) / ln2 = 1.25 billion years * ln3 / ln2 = 1.25 billion years * 1.09861228867 / 0.6931471805599453 = 1.80 billion years
What is an isotope?
An isotope is a variant of an element that has the same number of protons in its nucleus, but a different number of neutrons. As a result, isotopes of an element have the same chemical properties, but different atomic masses.
Isotopes can be either stable (not undergoing radioactive decay) or unstable (undergoing radioactive decay). Unstable isotopes, also known as radioactive isotopes, emit particles and radiation, transforming into other elements over time.
Hence, the answer is,
PART A: The half-life of potassium-40 is 1.25 billion years, so the age of the rock would be 1.25 billion years.
PART B: the answer is, the age of the rock containing three times as much argon-40 as potassium-40 would be approximately 1.80 billion years.
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a place where two plates slip past each other, moving in opposite directions, is known as a
A place where two tectonic plates slip past each other, moving in opposite directions, is known as a transform boundary.
Transform boundaries are characterized by the absence of volcanic or seismic activity, and their movement can result in frequent earthquakes. As the plates move in opposite directions, the friction between them causes a buildup of stress that is eventually released in the form of seismic waves. One famous example of a transform boundary is the San Andreas Fault in California, where the Pacific Plate is moving northward relative to the North American Plate. Transform boundaries are an important component of plate tectonics and play a crucial role in shaping the Earth's surface. A place where two tectonic plates slip past each other, moving in opposite directions, is known as a transform boundary.
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What is the purpose or importance of each piece of equipment needed for birding?
Answer:
The equipment that is needed for birding can have a positive impact on your health. For example, boots are needed to prevent your feet getting wet and binoculars are needed to see birds clearly and up close so you don't need to squint.
How would the amount of incoming solar radiation change at the equator if Earth's axis were vertical instead of tilted? Why? (6 pts) a) Incoming solar radiation would decrease. b) Incoming solar radiation would be the same as at present. c) Incoming solar radiation would increase.
The amount of incoming solar radiation change would increase at the equator if Earth's axis were vertical instead of tilted. The correct answer is C.
Due to the tilted axis of the Earth, the equator receives more solar energy than the poles, which also results in seasonal and latitudinal temperature variations.
If the axis were vertical, the solar radiation would be more strong and continuous near the equator, resulting in a more even distribution of energy and more solar radiation entering the atmosphere.
This would have a significant impact on global climate and weather patterns. The term "solar radiation impact" refers to variations in the amount of solar radiation that reaches a certain location as a result of a number of factors, including changes in the Earth's axis, orbit, and atmosphere.
These changes could have a profound impact on the weather, ecosystems, and patterns of the global climate.
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What happens to the water after an ice burg is formed?
The melting process occurs when icebergs travel into warmer waters. The iceberg would be difficult to wrap below the water's surface it happens to the water after an ice burg is formed.
Why is fresh water used to create icebergs?
Icebergs are initially devoid of salt. Icebergs aren't chunks of seawater that have frozen over. Icebergs are actually bits of freshwater that were once on land and have now become frozen.
Here, the main issue is melting. If you've ever run tap water over an ice cube, you are aware of how quickly an ice cube may melt, even when the water is cold. Wind chill is caused by the same process, but the effect is stronger in the presence of rushing water.
Therefore, the melting process occurs when icebergs travel into warmer waters. The iceberg would be difficult to wrap below the water's surface it happens to the water after an ice burg is formed.
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How might the relationship among climate, vegetation, soil,
and geology affect distribution of plants and
animals in different regions?
The relationship among climate, vegetation, soil, and geology affects distribution of plants and animals in different regions because they require specific conditions to survive and thrive, and if those conditions are not fulfilled, they will not survive.
What is vegetation?
An assortment of different plant types and the ground cover they provide make up vegetation. It is a general word that does not specifically allude to any particular taxa, life forms, structure, spatial extent, or other unique flora or fauna. Compared to flora, which describes the species makeup, it has a wider definition.
The term "vegetation" can apply to a broader range of spatial scales than that of "plant community," including scales as large as the global, and does so frequently.
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Where is active sea-floor spreading occurring today?
a. Lake Michigan
b. the great Salt Lake
c. the Mississippi River
d. the Athabasca River
e. the Red Sea
f. saline Creek
The Red Sea is where active sea-floor spreading is occurring today. The right answer is e.
When the seafloor spreads, tectonic plates, that are huge portions of the Earth's lithosphere, break apart from one another. Seafloor spreading and other tectonic activity processes are caused by mantle convection. Between the African Plate and the Arabian Plate, there is a spreading core called the Red Sea Rift.
It stretches from the Dead Sea Transform fault system and terminates at the Afar Triple Junction, where it meets the Aden Ridge and the East African Rift. The African Plate and the Arabian Plate split apart, creating the Red Sea Rift. From being a continental to an oceanic rift, the fissure changed.
The correct answer is option e.
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Why do higher temperatures often result in greater precipitation? A) higher temperatures stimulate respiration B) higher temperatures stimulate condensation C) higher temperatures stimulate acidification D) higher temperatures stimulate evaporation
Answer:
Explanation:
D) Higher temperatures stimulate evaporation
Answer:
Explanation:
its D
The series of processes which rock forms, changes from one type to another, is destroyed and forms again by geological processes?
The rock cycle is a series of processes that involve the formation, transformation, destruction, and reformation of rocks. These processes are influenced by various geological activities.
The formation and transformation of rocks is a continuous process that occurs over millions of years due to various geological processes.
The rock cycle is a continuous process that involves three major types of rocks: igneous, sedimentary, and metamorphic rocks. The cycle begins with the formation of magma or lava, which cools and solidifies to form igneous rocks. These rocks can be further transformed into sedimentary rocks through weathering, erosion, and deposition of sediments. Sedimentary rocks can then be transformed into metamorphic rocks through heat and pressure.
Metamorphic rocks can be transformed back into igneous rocks through melting and cooling, completing the cycle. The cycle continues as rocks are destroyed through weathering and erosion, and new rocks are formed from the resulting sediments.
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The United States has a "Net Migration Rate" of 3.9/1000 People. This figure is best understood with which theme of geography?
Answer: The figure "Net Migration Rate" is best understood within the "population" theme of geography.
Explanation:
The figure "Net Migration Rate" is a demographic statistic that measures the difference between the number of people who migrate into a country and the number of people who migrate out of the country.
In geography, this type of demographic statistic is generally associated with the "population" theme, which focuses on the distribution, composition, and growth of human populations.
Horses originated during the Eocene period 50 million years ago in Europe, Asia, and North America, at a time when South America was separated by sea. What might be one explanation for how scientists are finding horse fossils in South America?
One explanation for how scientists are finding horse fossils in South America is that the continents of South America and North America were connected by land bridges during the Pleistocene period (1.8 million to 11,000 years ago).
What is Pleistocene period?The Pleistocene period is a geological epoch that lasted from approximately 2.588 million to 11,700 years ago. It is the most recent and longest of the three epochs of the Quaternary period, followed by the Holocene and preceding the Pliocene. During this period, the Earth’s climate transitioned from the warmer Pliocene to the colder Pleistocene, with the start of the Quaternary glaciation.
During this time, horses could have migrated from North America to South America, leaving behind fossils in the process. This land bridge eventually disappeared due to rising sea levels, which is why horses are not found in South America today.
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Two tectonic plates pushing toward each other cause intense heat and pressure in Earth’s crust. Into which will crust material be changed by heat and pressure?answer choicesfossilssedimentsigneous rockmetamorphic rock
When two tectonic plates push towards each other, it can cause intense heat and pressure in the Earth's crust. This process is known as a convergent boundary, and it can lead to the formation of metamorphic rock. Here option C is the correct answer.
Metamorphic rock is formed when existing rocks are subjected to high temperatures, pressure, and chemical reactions. During the convergent boundary process, rocks may be buried deep beneath the Earth's surface, where they are subjected to extreme heat and pressure. This can cause the minerals in the rock to change, leading to the formation of new minerals and a different texture.
On the other hand, igneous rock is formed when molten magma cools and solidifies, while sedimentary rocks are formed when sediments are compressed and cemented together. Fossils are preserved remains or traces of past life forms that are found in sedimentary rock.
Complete question:
Two tectonic plates pushing toward each other cause intense heat and pressure in the earth’s crust. into which will crust material be changed by heat and pressure?
a. Fossil
b. Sediments
c. Metamorphic rock
d. Igneous rock
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what will happen to sandstone, a sedimentary rock, when it is exposed to extreme heat and pressure?
When a sandstone, a sedimentary rock exposed to extreme heat and pressure can turn into nonfoliated metamorphic rocks.
What are nonfoliated metamorphic rocks?Nonfoliated metamorphic rocks are those that occur around igneous intrusions in environments that have high temperatures but low pressures that are uniform in all directions (confining pressure). The rock's density increases as a result of the original minerals within the rock recrystallizing into larger sizes and the atoms becoming more closely packed together.
The absence of micas and other platy minerals, which are necessary for foliation, is a common reason why nonfoliated metamorphic rocks do not have a foliated texture. They are typically the result of interaction or metamorphism in regional areas. Marble, quartzite, greenstone, hornfelt, and anthracite are all types of examples of metamorphic rocks.
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what has happened to the water that remains in the aral sea
The Aral Sea dried up because the waters of its supply rivers have been diverted for irrigation.
The waters of fundamental rivers, the Syr Darya and the Amu Darya, have been used for cotton cultivation, reducing the ocean's water degree over the years. The Aral Sea started out to speedy cut back due to the evaporation of its now unreplenished waters. By 1989 the Aral Sea had receded to shape separate parts, the “Greater Sea” withinside the south and the “Lesser Sea” withinside the north, every of which had a salinity nearly triple that of the ocean withinside the 1950s. The Aral seabed had come to be a desolate tract and 90% of the Aral Sea's extent had disappeared. By the overdue 70s the economic fishery had declined via way of means of over 7% after which collapsed some years later.
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What does HACCP stand for Hazard Analysis critical?
HACCP stands for Hazard Analysis and Critical Control Points. It is a system that is used to identify, evaluate, and control food safety hazards. It is an important part of food safety management and is used to ensure that food is safe for consumption.
The "Hazard Analysis" part of HACCP involves identifying potential hazards in the food production process and determining how they can be controlled.
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where is turtle mountain community college?
Turtle Mountain Community College is located in Belcourt, North Dakota on the Turtle Mountain Band of Chippewa Indian Reservation. The college was founded in 1972 and offers a variety of degree and certificate programs to the local community.
This Community College campus includes a library, student center, and dormitory housing for students. The college offers associate degree programs in areas such as Business, Early Childhood Education, Information Technology, Nursing, and Natural Science.
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How do spiral and elliptical galaxies differ in terms of the presence or absence of disk and halo components.
Spiral and elliptical galaxies differ primarily in their shapes and structures; spiral galaxies have a flattened disc component and a more noticeable halo, whereas elliptical galaxies lack a disc and have a smoother, more rounded structure.
The majority of the galaxy's stars, gas, and dust are found in the flattened disc component of spiral galaxies, which also has a noticeable central bulge. The disc is frequently arranged into spiral arms, which are ring-shaped regions of the galaxy's core where star formation is more active and dust concentration is higher. A longer, spherical or elliptical halo component, which is surrounded by the disc and bulge and contains older stars, globular clusters, and dark matter, is also present in spiral galaxies.
The disc component is absent from elliptical galaxies, on the other hand. As opposed to this, they are distinguished by a uniform, nearly spherical distribution of stars in a variety of sizes and forms. Elliptical galaxies also include a halo component, but it is less noticeable and frequently more elongated in shape than it is in spiral galaxies.
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why do most tornadoes occur in the late afternoon?
While they can strike at any time of the day or night, most tornadoes form in the late afternoon. In the meantime, the sun has warmed the earth and the atmosphere enough for thunderstorms to occur.
The required details for thunderstorms in given paragraph
A thunderstorm, also called an electric storm or thunderstorm, is a storm characterized by the presence of lightning and its acoustic effect on the Earth's atmosphere, called thunder. Relatively light thunderstorms are sometimes called showers. Thunderstorms occur in a type of cloud called a cumulonimbus cloud. They are usually accompanied by strong winds and often produce heavy rain and occasionally snow, sleet, or hail, but some thunderstorms produce little or no precipitation. Thunderstorms can line up or form a band of rain called a thunderstorm line. Severe or severe thunderstorms are some of the most dangerous weather phenomena, including large hail, high winds, and tornadoes. Some of the most persistent storms, known as supercells, rotate degrees, just like cyclones.
While most storms move through the tropospheric layer they occupy with an average wind flow, vertical wind shear sometimes causes them to be deflected perpendicular to the direction of the wind shear.
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how to define the water table?
The water table is defined as the upper surface of an underground layer of water in the soil or rock. It is the point below which the ground is saturated with water. The water table can rise and fall depending on the amount of precipitation, the amount of water being used, and other natural and man-made factors.
The water table is defined as the level below which the ground is saturated with water. It is the upper surface of the zone of saturation, which is the area where all the pores and fractures in the soil or rock are filled with water. The water table is an important factor in determining the availability of groundwater for drinking and irrigation purposes.
It is important to note that the water table is not a fixed level, but rather it fluctuates depending on a variety of factors, such as the amount of precipitation, the rate of evaporation, and the amount of water being withdrawn from the ground. The water table can also vary seasonally and from one geographic region to another.
In summary, the water table is the level below which the ground is saturated with water, and it is an important factor in determining the availability of groundwater for various purposes.
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What are the top 10 most diverse countries in the world?
The top 10 most diverse countries in the world are: 1. Papua New Guinea 2. Indonesia 3. Democratic Republic of the Congo 4. India 5. Cameroon 6. Tanzania 7. Madagascar 8. China 9. Brazil 10. Nigeria
These 10 most diverse countries are home to a wide variety of different cultures, languages, and ethnic groups, making them some of the most interesting and unique places in the world.
Their diversity has contributed to vibrant cultural landscapes, dynamic economies, and complex social and political dynamics.
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Who did the cpr cir syndicate/federal govt. bring to work on railway construction in BC??
During the construction of the Canadian Pacific Railway (CPR) in British Columbia (BC), the CPR syndicate and the federal government brought in thousands of Chinese workers to help build the railway.
Why Canadian Pacific Railway is famous?Canadian Pacific Railway was founded in 1881 to physically unite Canada and Canadians from coast to coast, and its construction is regarded as one of Canada's greatest engineering feats.
The Chinese workers were recruited primarily from the Guangdong province in southern China and were brought over to Canada as contract laborers. They were promised steady work, good wages, and the opportunity to eventually bring their families over to Canada. However, the reality of their working conditions was often far from these promises.
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evidence of an organism that is more than ______ years old is called a fossil.
Evidence of an organism that is more than 10,000 years old is called a fossil.
Fossils are the preserved stays of vegetation and animals whose our bodies have been buried in sediments, including sand and mud, beneathneath historical seas, lakes and rivers. Fossils additionally encompass any preserved hint of lifestyles this is usually extra than 10,000 years old. Fossils are imprints of lengthy lifeless vegetation and animals determined in rocks. They are crucial due to the fact they have been fashioned many hundreds of thousands of years ago. This way they are able to tells how vegetation and animals on this planet used to look. Fossils are precise proof for evolution because they display that residing matters have modified over time.
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Active
Read the passage below and answer the question that follows.
This saltwater lake is the largest lake or inland sea in the world. It is below sea level and is located east of the Caucasus
Mountains. It is a natural boundary between Europe and Asia.
Which of the following bodies of water is described in the paragraph above?
A. the Aral Sea
B. Lake Baikal
C.
D. the Yellow Sea
Please select the best answer from the choices provided.
OO
the Caspian Sea
OA
B
TIME REMAINING
55:49
C
The following bodies of water is described in the paragraph above: the Caspian Sea. Thus option (D) is correct.
What is sea?A sea is an area of open water that is partially bounded by a land barrier while a gulf is an area of water indented into a land mass. A sea is a smaller part of an ocean and is typically partially contained by an area of land.
The black sea bordered by Ukraine to the north, Russia to the northeast, Georgia to the east, Turkey to the south, and Bulgaria and Romania to the west.
The following bodies of water is described in the paragraph above: the Caspian Sea. Therefore, option (D) is correct.
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the type of soil most likely to result in a trench cave-in is
A form known as Type C soil will most likely result in a trench cave-in.
There are mainly 3 primary types of soil known Type A, Type B, and Type C soil. This type C soil is also known as Farmer's dirt and plain soil. This one's the least stable and dangerous. Sand is a good example of Type C soil. This type can contain cohesive oils, granulous, or even submerged soil and can be the most treacherous type of soil for trenching operations and needs the most precautions and must be dealt with care and knowledge. It may also occasionally have condensation dripping from it.
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what is it called when lava flows out of a volcano explosively?
according to nat geo,
A pyroclastic flow is a dense, fast-moving flow of solidified lava pieces, volcanic ash, and hot gases. It is extremely dangerous to any living thing in its path
significant destruction of a forest habitat will increase which gas in the atmosphere?
Answer:
Carbon Dioxide
Explanation:
Trees, and all plants, intake Carbon Dioxide and convert it into Oxygen by removing the carbon in the gas. If mass forest destruction occurs, it will significantly increase the levels of CO2 and decrease the levels of Oxygen.
From the timing of lunar eclipses, the Ancient Greeks were able to
(A) conclude that the Sun is farther from the Earth than the Moon.
(B) calculate the distance from the Earth to the Moon.
(C) calculate the distance from the Earth to the Sun.
From the timing of lunar eclipses, the Ancient Greeks were able to (B) calculate the distance from the Earth to the Moon.
Definition of Lunar EclipseA lunar eclipse is a phenomenon when the moon is covered by the earth's shadow, either partially or completely. This lunar eclipse can be observed without using special tools such as telescopes or binoculars.
Simply put, this lunar eclipse process occurs when the earth is between the sun and the moon. The moon revolves around the earth, while the earth revolves around the sun. Then when the earth line is drawn it is in the middle between the sun and the moon. Therefore, the sun's light to the moon is covered by the earth.
As is known, the moon can be seen shining at night because it reflects the sun's light, but during an eclipse, the light that should make the moon shine is covered by the earth. The process of the occurrence of lunar eclipses always occurs in the afternoon until night.
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lesley head argues that ___and climate change are inextricably entwined.
Lesley Head argues that human values and climate change are inextricably entwined.
Human values play a significant role in shaping our attitudes towards the environment, and ultimately our behavior. Our values inform our decisions, both as individuals and as societies, and influence the types of policies we support or reject.
Climate change, on the other hand, is a complex and multi-faceted problem that is largely caused by human activities. Therefore, understanding the relationship between human values and climate change is crucial in addressing this issue.
By recognizing the connections between our values, behaviors, and climate change, we can begin to develop more effective solutions that take into account the social, economic, and cultural factors that contribute to this global challenge.
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HELP PLEASEEEE NO TROLLING
Go onto the internet and research the Tri-Sate tornado further in order to find the damages and effect it had on the environment. Write out the effect in two separate paragraphs. 8 sentences per paragraph.
Basically, write the damage and effect the Tri-State tornado had on the environment in 2 paragraphs (each paragraph has 8 sentences)
The Tri-State Tornado was one of the deadliest tornadoes in US history, wreaking havoc across parts of Missouri, Illinois, and Indiana on March 18, 1925. The tornado caused widespread destruction and loss of life, with over 600 people killed and more than 2,000 injured. The environmental impact of the Tri-State Tornado was significant, with damage to homes, buildings, and infrastructure. The tornado also caused damage to agricultural land, forests, and wildlife.
What is a Tri-Sate tornado?Generally, The tornado destroyed homes, buildings, and infrastructure, leaving behind a trail of destruction that extended for over 200 miles. In Murphysboro, Illinois, the tornado damaged or destroyed more than 1,000 homes, leaving thousands of people homeless. The tornado also destroyed schools, churches, and businesses, further compounding the devastation. The loss of infrastructure had a significant impact on the affected communities, making it difficult for emergency responders to reach those in need and for residents to receive essential services. In addition to the human toll, the Tri-State Tornado caused extensive damage to agricultural land, uprooting trees and destroying crops. The tornado also caused significant damage to forests, killing trees and disrupting ecosystems. The impact on wildlife was also severe, with many animals killed or displaced by the storm. The long-term environmental impact of the tornado was felt for years after the event, as communities struggled to recover and rebuild.
The Tri-State Tornado was a devastating event that had a profound impact on the environment. The damage to homes, buildings, and infrastructure was extensive, leaving communities struggling to recover. The impact on agricultural land, forests, and wildlife was also significant, disrupting ecosystems and causing long-term damage. Despite the challenges faced by those affected by the tornado, communities came together to rebuild and support one another, demonstrating the resilience and strength of the human spirit in the face of adversity.
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the area where we find the most active volcanoes are along the
The majority of them are situated along the Pacific Coast's "Ring of Fire."
We have now compiled a list of the largest volcanoes that have lately seen activity.
Due to recent eruptions or because they were added to the list of decade volcanoes, the following volcanoes are regarded as being particularly dangerous. The International Association of Volcanology and Chemistry of the Earth's Interior (IAVCEI) has named 16 volcanoes from around the world to its list of "Decade Volcanoes" because of their history of massive, deadly eruptions and closeness to human regions.
Aside from the continuous bands of volcanoes on the ocean floor at spreading hubs like the Mid-Atlantic Ridge, there are around 1,500 potentially active volcanoes in the world. Of the 1,500 volcanoes, about 500 have erupted historically. Many of those are found in the "Ring of Fire," which is along the Pacific coast. Hawaiian volcanoes form over a "hot spot" at the centre of the Ring, whereas volcanoes in the Cascade Range and Alaska (Aleutian volcanic chain) are part of the Ring in the United States.
In the United States, there are 169 volcanoes that could be active.
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2. What factors led to the flooding in Haiti in 2004?
The factors that led to the flooding in Haiti in 2004 were:
The deforestation and construction in the upper riparian areas of the river which led to flooding in the lower areas.
The drainage infrastructure is not well developed.
What is flood?A flood is a condition in an area when an area is fully or partially undergoes under water for a period of time. The flooding can happen due to natural and man- made causes.
The natural causes are heavy rainfall for along continuous time period. The made causes are dam construction and leakage or breaking of dam and construction along the river valleys.
The factors that led to the flooding in Haiti in 2004 were the deforestation and construction in the upper riparian areas of the river which led to flooding in the lower areas and the drainage infrastructure is not well developed.
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