Why does the Nile River not flood the cities of modern day Egypt?
it was to hot
it was to cold
The cause of the flood each year was heavy rains and melting snow to the south near the source of the Nile.
because it is to in Egypt

Answer: The similarities between the Appalachian and the eastern Greenland mountain ranges

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 geologist can understand by studying the fossil composition of sedimentary rocks by how life forms evolved over time. The correct answer is B.

A geologist can comprehend the evolution of life forms over time by examining the fossil content of sedimentary rocks. An expert in the processes that shape the solid, liquid, and gaseous components that make up Earth and other terrestrial planets is known as a geologist.

Although knowledge in physics, chemistry, biology, or other sciences is also beneficial, geologists typically major in geology, earth science, or geophysics.

While lab and computer work is a part of many geological subdisciplines, field research (or "field work") is an essential component of the subject. Geologists are included in the broader category of scientists referred to as "geoscientists."

Geologists search for natural resources like oil, gas, and precious and basic metals in the mining and energy sectors.

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Two tectonic plates pushing toward each other cause intense heat and pressure in Earth's crust, which can lead to the transformation of crustal material into a new type of rock. This process is called metamorphism. The type of rock that forms as a result of metamorphism depends on the specific conditions of heat, pressure, and chemical composition of the original rock.

What are metamorphic rocks?

Metamorphic rocks are rocks that have been transformed from one type of rock into another through the processes of heat, pressure, and/or chemical alteration. They are formed from pre-existing rocks that have been subjected to conditions such as high pressure, high temperature, and chemically active fluids. The changes that occur during metamorphism cause the minerals in the original rock to recrystallize, resulting in a new rock with different mineral composition and texture.

Hence, the answer is, intense heat and pressure caused by the collision of tectonic plates can result in the transformation of crustal material into a wide variety of metamorphic rocks, each with its own unique characteristics and properties.

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The surface wave is often the seismic wave type that does the most damage. Thus option C is the correct answer.

The biggest amplitude seismic waves are surface waves, which are also the slowest seismic waves. The strongest ground trembling can be produced by these waves as they travel along the Earth's surface; hence, buildings and other structures may sustain substantial damage.

P and S waves, on the other hand, are body waves that move through the interior of the Earth. P waves can move through solid, liquid, and gaseous objects and are quicker than S waves. S waves can only pass through solid objects and are slower than P waves.

Although P and S waves are equally capable of causing harm, their destructive potential is often lower than that of surface waves.

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Excessive movement of the tectonic plates causes major geological events.

The tectonic plates are formation of oceanic deposition, these plates rest upon the convecting mantle, inside the Earth's surface. These plates move slowly due to internal disturbance to release pressure but when the pressure inside the surface of earth increases the plates starts moving rapidly which can account to geological events such as earthquakes, volcanic eruptions, and other sublime events. These plates collide with each other and drift apart or slide past each other that can result in drifting of land. The type of event is determined by the type of plate boundary. These interactions of tectonic plates are also responsible for many different geological formations such as mountains, the San Andreas fault in California, Himalayan range in Asia.

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The scientist credited with developing the theory of continental drift is Alfred Wegener. Wegener was a German geophysicist who first proposed the theory in 1912.

He hypothesized that the continents had once been joined together in a massive supercontinent called Pangaea and that they had subsequently drifted apart over time.

This theory was met with much resistance from the scientific community at the time, as there was little evidence to support it.

However, the discovery of plate tectonics in the 1960s provided evidence to support Wegener's theory and it is now widely accepted.

Wegener's theory of continental drift revolutionized the field of geology and provided a foundation for the study of plate tectonics.

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On the March equinox, which occurs around March 20th, the sun is directly overhead at the equator.

A line of latitude is a geographic coordinate that runs east-west around the Earth, and it specifies the north-south position of a point relative to the equator, which is defined as 0° latitude. The equator is the line of latitude that is located exactly halfway between the North Pole and the South Pole, at 0° latitude.

So, to see the sun directly overhead on the March equinox, you would have to go to the equator, which is at 0° latitude. This is because on this day, the sun's rays shine directly on the equator, making it possible to see the sun exactly overhead at noon local time.

It's important to note that the sun is not directly overhead at the equator on any other day of the year. On other days, it is either north or south of the equator, so its position in the sky changes throughout the day.

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A finely crystalline or glassy igneous texture indicate that rocks have a very fine-grained or even glassy appearance since mineral crystals don't have much time to develop.

Since the crystals are too small to view without a magnifying glass, igneous rocks that are formed on the surface of the earth have a highly fine-grained texture. Igneous rocks with Phanteric Texture have massive, obvious crystals because they evolved gradually in an underground magma chamber.

Rock that results from a slow cooling of magma deep under the crust is referred to as intrusive or plutonic rock. Because of the long cooling process, the intrusive igneous rock has a phaneritic or coarse-grained texture.

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Correct question is :

What does a finely crystalline or glassy igneous texture indicate in geology ?

Answer: Central Mexico

The Incas were located in the Andean mountain range in South America, in the territories now known as Peru, Ecuador, Chile, and Bolivia.

The Incas were located in the Andes mountain range in South America, primarily in the region that is now Peru. The Inca Empire was one of the largest empires in pre-Columbian America, and it spanned an area that covered parts of modern-day Peru, Bolivia, Ecuador, Chile, and Argentina. The capital of the Inca Empire was Cusco, which is located in the southeastern part of modern-day Peru. The Incas developed a sophisticated civilization that was known for its advanced engineering and agricultural techniques, as well as its impressive stone structures and monuments, such as Machu Picchu.

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Without a diagram or specific measurements, it's hard to provide an exact answer. However, here's a general method to approach this problem .

Draw a diagram of the situation. Label the square STUV and the circle W. Make sure you understand the relationship between the square and the circle (i.e., the circle is circumscribed by the square, meaning that the square encloses the circle and each corner of the square touches the circle).

Identify the shaded region. Usually, in problems like this, the shaded region is the area that is inside the square but outside the circle.

Find the area of the square. If you know the length of one side of the square, you can find its area by squaring that length. If you don't know the length, you may need to use other information given in the problem to find it.

Find the area of the circle. If you know the radius of the circle, you can find its area using the formula A = πr^2. If you don't know the radius, you may need to use other information given in the problem to find it.

Subtract the area of the circle from the area of the square. This will give you the area of the shaded region.

Round your answer to the nearest tenth if necessary.

Note: Depending on the specific measurements given in the problem, there may be alternative methods to solve this problem .

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The terms leeward and windward are used to describe the direction of the wind in relation to a particular point. Leeward is the direction that the wind is blowing towards, while windward is the direction from which the wind is coming. These terms are commonly used in sailing, as they can help sailors determine the best course to take in order to take advantage of the wind.

For example, if the wind is blowing from the north, the windward direction would be north, while the leeward direction would be south. Sailors would then position their sails in such a way that they can catch the wind from the windward side and use it to propel their boat in the leeward direction.

In maritime terms, windward refers to the direction from which the wind is coming, while leeward refers to the direction away from the wind. This distinction is important for sailors as they need to navigate and adjust their sails accordingly.

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Grand Canyon has rocks of granite and Precambrian metamorphic rocks. The Grand Canyon is created by the Colorado River in Arizona.

More details about the topography of the Grand Canyon are mentioned below:

One of the six main physiographic divisions of the Colorado Plateau province, the Grand Canyon is a river valley in the Colorado Plateau that exposes elevated Proterozoic and Paleozoic strata. Although the Grand Canyon is not the deepest canyon in the world (the deeper canyon is the Kali Gandaki Gorge in Nepal), it is renowned for its enormous size and its intricate and vibrant environment. Its thick succession of old rocks, which are well preserved and exposed in the canyon walls, makes it notable from a geological perspective. A large portion of the early geologic history of the continent of North America is preserved in these rock layers.

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When the sun, moon, and Earth align up, spring tides occur, which result in substantially greater regular high tides and low tides.

When the sun, moon, and Earth create a straight angle, neap tides occur, which cause the normal high tides and low tides to become substantially lower than usual.We experience neap tides twice a month and two spring seasons. On the other hand, some spring tides are greater than others. This is due to the fact that tides are amplified when the moon is closest to Earth in its eccentric orbit (astronomers call this perigee). The moon faces the Earth at a right angle to the sun when there are two spring tides.The moon's and the sun's pull are weak at this time. Lower-than-normal tides result from this. Neap tides are what these tides are called.

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Answer:Neap tides occur when the sun, moon, and Earth form a right angle

Explanation:

Surface Waves are the seismic waves that causes the most damage. Surface waves are typically lower frequency than body waves and move through Earth's surface material more slowly.

On a seismogram, they may be easily differentiated. Deeper earthquakes result in weaker surface waves, which are stronger as the earthquake depth increases.

Rayleigh waves, which feature rock particle motions that are strikingly comparable to the motions of water particles in ocean waves, and Love waves, which are shear waves trapped near the surface, are the two main types of surface waves.

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Interstellar absorption is caused by the presence of dust and gas between stars. Dust and gas are made up of atoms and molecules that absorb and scatter light from stars, making them appear fainter. This is why stars appear dimmer when viewed from Earth.
Interstellar absorption is caused by the presence of gas and dust particles in the interstellar medium. These particles absorb some of the light that travels through the interstellar medium, causing the light to appear dimmer or redder than it would otherwise.

This effect is particularly noticeable for stars that are located behind large clouds of gas and dust, as their light has to travel through more of the interstellar medium before it reaches us. The amount of interstellar absorption that occurs depends on the density and composition of the gas and dust particles, as well as the distance that the light has to travel.

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Rhyolite and granite are alike in that they both are D. felsic.

The chemical composition of rhyolite could be very like that of granite. This equivalence means that at the least a few and likely maximum granites are of magmatic origin. The phenocrysts of rhyolite can also additionally consist of quartz, alkali feldspar, oligoclase feldspar, biotite, amphibole, or pyroxene. Compilations of many rock analyses display that rhyolite and granite are felsic, with a mean silica content material of approximately seventy two percent; syenite, diorite, and monzonite are intermediate, with a mean silica content material of fifty nine percent; gabbro and basalt are mafic, with a mean silica content material of forty eight percent.

Thus, option D is the correct choice.

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Answer:

6.5

Explanation:

In the early hours of January 16, 2021, the green comet  visible in California. Before dawn, it will be observable in the eastern sky.

The green comet, also known as Comet C/2020 M3 (ATLAS), was found in late June 2020 by the Asteroid Terrestrial-impact Last Alert System (ATLAS). (ATLAS). Because of its long duration, the comet's orbit around the Sun takes more than 200 years to complete. On January 17, 2021, when it will come closest to Earth, it is estimated to be 11 million miles distant.

Californians can expect to see the comet on January 16, 2021, in the early morning. Just before dawn, it will rise in the eastern sky as a pale, greenish-white point of light with a long tail. It will be the brightest in the morning sky on January 17 and its  tail should be visible with the unaided eye. Over the ensuing weeks, as it moves away from Earth, it will gradually fade.

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The 3 examples of continental-continental convergent boundaries of the Ural Mountains, the collision of the Indian and Asian plates which formed the Himalayas, and the collision of the African and Eurasian plates which formed the Alps.

There are several examples of continental-continental convergent boundaries around the world. Here are three examples:
1. The Himalayan Mountains: The Himalayas are a result of the continental-continental convergent boundary between the Indian Plate and the Eurasian Plate. As the two plates collide, the land is pushed upwards to form the Himalayan mountain range.
2. The Alps: The Alps are another example of a continental-continental convergent boundary. The collision of the African Plate and the Eurasian Plate caused the formation of the Alps.
3. The Appalachian Mountains: The Appalachian Mountains are a result of a continental-continental convergent boundary between the North American Plate and the African Plate. The collision of these two plates caused the formation of the Appalachian Mountains.

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Sand found in commercial sand and gravel deposits is typically composed of silicate minerals

Sand is a granular substance made up of mineral particles that have been finely divided. Sand comes in a variety of compositions, but is identified by the size of its grains. Compared to gravel and silt, sand grains are both smaller and coarser. A soil that contains more than 85% of its mass in sand-sized particles is referred to as having sand-like texture.

In inland continental settings and non-tropical coastal settings, silica (silicon dioxide, or SiO2), most frequently in the form of quartz, is the most prevalent component of sand.

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A). exclude consumers; periodically mow, collect, and weigh the plants; and calculate plant biomass production per unit time.

What is primary productivity?

Primary productivity refers to the rate at which energy is converted into organic matter by autotrophic organisms, such as plants, in an ecosystem. To measure primary productivity in a grassland ecosystem, it is important to focus on the production of plant biomass, which is the primary source of energy for the entire ecosystem. This can be done by excluding consumers, periodically mowing, collecting, and weighing the plants, and then calculating the plant biomass production per unit time. This method provides a direct measure of the amount of energy that is being stored in the form of organic matter in the ecosystem, which can be used to estimate the overall rate of primary productivity in the grassland.

Hence, the answer is, a). exclude consumers; periodically mow, collect, and weigh the plants; and calculate plant biomass production per unit time.

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Answer: c) Locations of states and their capitals

Explanation:

Climate map

not being rude but shouldn't you know that?

just curious

C

climatic map, chart that shows the geographic distribution of the monthly or annual average values of climatic variables—i.e., temperature, precipitation, relative humidity, percentage of possible sunshine, insolation, cloud cover, wind speed and direction, and atmospheric pressure over regions ranging in area from a few tens of square kilometres to global.

Earth Crystals can be found in the Mines, particularly from floors 1-39, or can be obtained from Geodes.

Earth Crystals are a type of mineral in the game Stardew Valley. They are primarily obtained by mining in the Mines, particularly from floors 1-39, where they have a chance of appearing in rocks and barrels. They can also be obtained by breaking open Geodes with a Geode Crusher, which can be purchased from the Blacksmith.

Additionally, Earth Crystals have a chance of appearing as a random drop from Duggies, Dust Sprites, and Rock Crabs, which are enemies that can be encountered in the Mines. Earth Crystals are used in a variety of crafting recipes, including for building sprinklers and bee houses, as well as for completing certain quests.

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The name of the famous geyser in Yellowstone National Park is "Old Faithful".

It is known for its spectacular, predictable eruptions, which happen approximately every 90 minutes. Old Faithful was named by explorers in the early 1800s who observed the geyser's reliable and frequent eruptions.

The eruptions can shoot hot water and steam up to 185 feet high and can last from 1.5 to 5 minutes. The geyser is located in the Upper Geyser Basin of the park, which is also home to many other geysers and hot springs.

Old Faithful is one of the most popular attractions in Yellowstone National Park and draws millions of visitors each year who come to witness its impressive eruptions and the natural beauty of the surrounding landscape.

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A granite that has undergone metamorphism and exhibits foliation is commonly referred to as a "gneiss." Gneiss is a type of metamorphic rock that forms from the alteration of sedimentary, igneous, or existing metamorphic rocks under high pressure and temperature conditions. The foliation in gneiss results from the alignment of mineral grains and is a hallmark of the rock type.

What is granite?

Granite is a type of igneous rock that forms from the solidification of cooled magma or lava. It is composed primarily of quartz, feldspar, and mica minerals, which give it its characteristic speckled appearance. Granite is a coarse-grained rock, with mineral grains visible to the human eye, and is known for its durability, strength, and resistance to weathering and erosion.

Granite is widely used as a building material, particularly for countertops, floor tiles, and monuments due to its natural beauty and durability. Additionally, granite is also used for other construction purposes, including as a road base, for retaining walls, and as filler for concrete.

Hence, the answer is, a granite that has undergone metamorphism and exhibits foliation is commonly referred to as a "gneiss."

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