AeroVironment founder and aeronautical engineer Dr. Paul MacCready died while flight testing experimental gliders and is credited as a pioneer in the unmanned aerial systems (UAS) field.
Dr. MacCready was a renowned inventor and engineer who made significant contributions to the field of flight and aeronautics, including the development of energy-efficient and environmentally friendly aircraft.
He founded AeroVironment in 1971 and was instrumental in developing the first human-powered aircraft, the Gossamer Condor, which won the Kremer Prize in 1977.
He continued to make groundbreaking contributions to the field of UAS and was widely recognized for his pioneering work in the development of energy-efficient and sustainable aircraft.
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Which option best describes the main behavior that economics studies
Answer: People make choices based on their resources(i think)
Explanation: Search
which state saw the highest-ever wind speed recorded in the u.s.?
Answer:
The state was New Hamsphire
Explanation:
Which statement best describes the importance of groundwater? a. Groundwater is an unlimited source of freshwater.
b. Groundwater is the most accessible reservoir of freshwater.
c. Groundwater makes up more than 75 percent of Earth’s freshwater.
d. Groundwater experiences less pollution than other forms of freshwater.
b. The easiest to access source of freshwater is groundwater.
Which underground water supply is the most significant?Precipitation in the form of rain or snow is where the majority of groundwater is formed. Water from these sources may seep into the ground if it is not lost by transpiration, evaporation, or runoff into streams.
Which underground water supply is the most significant?Precipitation in the form of rain or snow is where the majority of groundwater is formed. Water from these sources may seep into the ground if it is not lost by transpiration, evaporation, or runoff into streams.
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Answer:Which statements describe freshwater sources? Check all that apply.
Rainwater can replace or replenish freshwater sources. < yes
Precipitation,such as rainwater, is the source of freshwater on Earth.<yes
When the amount of surface freshwater increases, so does the amount of groundwater.<yes
Human activity, such as taking a bath, may change the quality of a freshwater resource. <yes
Pollution in lakes does not affect groundwater because the ground acts as a barrier or filter. <noooooooo
Explanation: A,B,C,D
rock identification review and rock cycle lab
Students can learn about the properties that identify various types of rocks and the process of rock formation through the rock cycle lab and rock identification.
The review of rock identification often entails looking at several rock samples and determining the type of rock from visual and physical characteristics such colour, texture, mineral composition, and density. The geological processes that change rocks from one kind to another, such as weathering, erosion, compaction, and heat and pressure, are the main topics of the rock cycle lab. For the purpose of simulating these processes and tracking the changes that take place, students may undertake experiments. Students learn more about the rock cycle and how it affects how the Earth's surface changes through time by taking part in these activities.
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To be able to identify and classify the three different rock types and describe the processes involved in the rock cycle lab?
currents at the surface of the ocean are driven by
Answer:
Surface currents in the ocean are driven by global wind systems that are fueled by energy from the Sun. Patterns of surface currents are determined by wind direction, Coriolis forces from the Earth's rotation, and the position of landforms that interact with the currents.
Explanation:
:)
the vedic age was a new historical period in india marked by
the Vedic Age was a new historical period in India marked by the emergence of the Vedic civilization and the rise of Hinduism.
This period, which lasted from around 1500 BCE to 500 BCE, saw the development of the early Hindu scriptures, the Vedas, and the development of Hindu rituals, beliefs, and practices.
The Vedic Age was characterized by the growth of a society based on agriculture and the spread of trade and commerce. It was a time of great cultural, intellectual, and religious advancement, and saw the emergence of the early Hindu seers and scholars, who were responsible for preserving and transmitting the Vedic knowledge and teachings.
The Vedic Age was a formative period in the history of India and set the foundation for the development of Hinduism as one of the world's major religions. It continues to be an important and revered part of Indian culture and heritage to this day.
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what 4
+ ways
weather Influence
daily life positively or negatively.
1. Weather affects our mode of transportation - positive or negative depending on the weather. For example, snow and ice can make roads and sidewalks dangerous and impede travel, while sunshine and clear skies can make it easier to travel.
2. Weather affects our outdoor activities - positive or negative. For example, warm, sunny days are great for outdoor activities while cold weather or rain can limit outdoor activities.
What is Weather ?3. Weather affects our mood - positive or negative. For example, sunny days can help improve our mood while cloudy, rainy days can make us feel down.
4. Weather affects our health - positive or negative. For example, cold weather can lead to an increased risk of colds and flu, while warm weather can help improve our mood and reduce stress.
5. Weather affects our energy use - positive or negative. For example, hot weather can increase the need for air conditioning, while cold weather can increase the need for heating.
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Answer:
Weather can be negative for transportation and if schools may or may not will have to close. For example when it was snowing a month or so ago, the trains had to be shut down and the roads were icy and slippery, making it hard for drivers to drive to drop their child to school if they lived far from the school.
Explanation:
how does the analysis of marine sediments provide information about the climate of the ancient earth
We can reconstruct the temperature of the surface waters at the time the haptophytes lived and synthesized these compounds by analyzing these compounds in marine sediments. That is how the analysis of marine sediments provide information about the climate of the ancient earth
The so-called molecular biomarkers, which contain certain organic components, encode information that tells us things like the historical seawater's surface temperature. In this instance, we are researching substances known as alkenones, which are produced in the water column's topmost layers by haptophytes, a class of single-celled algae that is a component of the phytoplankton.
We can reconstruct the temperature of the surface waters at the time the haptophytes lived and synthesized these compounds by analyzing these compounds in marine sediments. Therefore, one of the most used "palaeothermometers" in palaeoceanographic research is this compound ratio.
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Which of the following geologic hazards was NOT discussed for the area around St. George, Utah?
a. Volcanic eruptions
b. Earthquakes from a fault along the Hurricane cliffs
c. Flooding from the main river
d. Flash flooding from the mountains
e. All of these choices were discussed
All of the given options were discussed in the geologic hazard around St. George, Utah. Therefore, option e) All of these choices were discussed is correct.
An undesirable geology condition that has the potential to significantly injure property or human life is referred to as a geologic hazard, or geohazard. These risks, which are brought on by geological and environmental causes, involve either long-term or short-term geological processes. Geohazards can be relatively modest features, but they can also grow to enormous dimensions and have a significant impact on local and regional socio-economics. The careless placement of projects or construction when the effects of the environment were not taken into account might occasionally result in hazards. Mitigation and prevention of human activities like drilling through over pressured zones, which could present a serious risk, are crucial for a better knowledge of geohazards, their precondition, causes, and effects.
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A line pae through the point (4,15)
and (9,20 Write a linear function rule in term of x and y for thi line
A linear function rule in term of x and y for the line which passes through the points (4,15) and (9,20) is y = x + 11.
First, we have to find out the slope. The linear function is y = mx + b where m is the slope. Now, to find out the slope, we are using formula:
m = (y2 – y1) / (x2 – x1)
Now, we substitute x and y value to the formula:
m = (20 – 15) / (9 – 4)
m = 5 / 5
m = 1
So, now we know that the slope of the line using the given points is 1.
We can pick any one point and use slope to find the function rule of y. In this case, let’s take (4,15). So, it will be:
y = mx + b
where:
x = 4
y = 15
m = 1
Then,
y = mx + b
15 = 1(4) + b
15 = 4 + b
15 – 4 = b
11 = b
Now, replace the value of b and the equation will be:
y = mx + b
y = 1x + b
Thus, the linear function rule is y = x + 11.
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Katrina wanted to find out more about Wegener's hypothesis because it didn't explain how continental drift took place. Explain how scientists discovered the mechanism for the continents moving.
You must correctly identify three discoveries that proved the mechanism for the continents moving
Convection in the Asthenosphere is responsible for moving the plates that bring about changes in the position of the continents.
Geologist and naval officer in World War 2 named Henry Hess discovered the sea floor and the mid-Atlantic ridge were spreading which helped a number of scientists to study the mechanism of plate motion.
The movement of the plates on Earth is caused by currents of hot rock in the Earth's mantle. This can cause earthquakes and volcanoes, which are short-term effects. Over longer periods of time, the movement of the plates can result in the movement of entire continents.
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The youngest rocks on the ocean floor are typically located near what feature?a. a mid-ocean ridgeb. a continental shelfc. an abyssal plaind. a subduction trench
Answer: The mid-ocean ridge!
Explanation:
Located near the ridge at the spreading zone or axis
explain how the internet is beneficial to russian consumers
The benefit of the internet to Russian consumers is the wide availability of the country's own online resources.
What is the internet?It facilitates information sharing, communication, and globalization. It also promotes the expansion and prosperity of your town. The Internet has earned a reputation as the only source of entertainment, information, and knowledge due to its usefulness in modern culture.
In Russia, the freedom of the internet is 23 out of 100. It is very low. The government is always strict about things, and the people watch.
Therefore, the abundance of Russian-specific online materials is a perk of the internet for Russian customers.
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A rain forest would be LEAST likely to thrive in
A rainforest would be LEAST likely to thrive in option C. an area enriched by perm.a.frost.
What is a rain forest?A rainforest is a type of forest characterized by high levels of rainfall, an enclosed canopy of tall trees, and a wide variety of plant and animal life. Rainforests are found in tropical and subtropical regions around the world and are home to some of the world’s most diverse ecosystems.
Therefore, the correct answer is as given above. It could then be concluded that a rain forest would be least likely to thrive in an area enriched by perm.a.frost.
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The complete question goes thus:
A rain forest would be LEAST likely to thrive in….
A. a tropical zone.
B. an area in which broadleaf trees thrived.
C. an area enriched by perm.a.frost.
D. an area of high temperature and humidity
which state receives the highest average annual snowfall?
The state that receives the highest average annual snowfall is New Hampshire.
What is the fact about New Hampshire?New Hampshire, which receives an average of 174.35 inches of snow year, is the state with the most snowfall. Vermont receives 80.2 inches per year, followed by Maine, which receives 92 inches annually. Next, with 79.6 and 77.33 inches each, are Alaska and Wyoming.
Vermont, which is located in the "Great Northeast" of the nation, is without a doubt and significantly the snowiest state in the United States. The state has even been known to surpass the 200-inch threshold in some of its snowier years, with an average snowfall of over 89 inches.
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peridotite is choose one: a. ultramafic. b. the most abundant rock in the earth's core. c. extremely abundant at the earth's surface. d. poor in iron and magnesium, and rich in silica.
The earth's core contains a lot of peridotite, a variety of common rocks. The best option is (b).
What precisely is peridotite?
olivine, additional iron- and magnesium-rich crystals (often pyroxenes), and a minimum of than 10% feldspar are all present in the dense - graded, dark-colored, massive, igneous rock intrusion known as peridotite.
Where you'll notice a sudden variation in rock density is at the boundary between layers of the Earth.
The pace at which thermal gradients with deeper within the Earth is known as the pressure gradient.
Rock shifting across faults happens in nature.
Under the zones of straining known as rifts, the continental crust is the thinnest.
The outer core is where the gravitational force of the Earth is created.
Because of their rapid movement, meteoroids could illuminate an item ("shooting stars").
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let's imagine the entire history of earth as if it were mapped to a single calendar year. what day in that year would the first dinosaurs arrive?
The first dinosaurs are believed to have appeared around 230 million years ago. If we map the entire history of Earth to a single calendar year, with January 1st as the origin of life, first dinosaurs would arrive around November 24th.
In the hypothetical scenario where the entire history of the Earth is mapped to a single calendar year, with January 1st representing the origin of life on Earth, each day of the year represents approximately 2.7 million years of Earth's history. Therefore, November 24th would represent the arrival of the first dinosaurs, which is estimated to have occurred around 230 million years ago. It's important to note that this is just a rough approximation and that the timeline of Earth's history and the evolution of life on our planet is complex and constantly being revised as new scientific discoveries are made.
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The Beast from the East was more disruptive than the Summer 2020 Heatwave. Do you agree? Why?
Please make sure you have the above statement and question as your title!
Answer the question and provide evidence as to which one you think we more disruptive.
Minimum 1/3 of a page
Thousands of schools were closed across the UK, including more than 125 in North Yorkshire and more than 330 in Kent, and hospital operations were canceled. Numerous rail services were canceled.
How did the Beast from the East affect Ireland?Red alerts were issued and extended, urging people to stay indoors unless absolutely necessary. Universities were closed, flights were canceled, and public transportation was practically non-existent as the country shut down for four days.
The Beast from the East (February 25) was caused by an unexpected twisting of the northern polar jet stream, which drew cold air from the east into the UK.
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Oxygen is very important in the Earth's crust because it is abundant, and, unlike the other most abundant elements, it carries a ______ charge
Answer:
negative charge
Explanation:
Most marine organisms produce the mineral substance _______. Which will later become limestone
A.)SiO2
B.)SO2
C.)H2CO3
D.)CaCO3
Answer:
D.)CaCO3
Explanation:
hope you do good on your homework/quiz/assignment/quiz !
The mineral substance most marine organisms produce is CaCO3, or calcium carbonate.
Therefore, correct answer is D.)CaCO3
This mineral substance is often the main component in shells of mollusks, corals, and other marine organisms. Over time, these shells accumulate on the ocean floor, forming sedimentary rocks and eventually, limestone. This process is known as biogenic sedimentation, and it is a major contributor to the formation of limestone, which is used for many purposes such as construction, road and building materials, and even cement.
Additionally, CaCO3 is used for water filtration and in the manufacture of paper, paint, and rubber. Therefore, CaCO3 is an important mineral substance that has a major role in the formation of limestone and a variety of other commercial uses.
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it is theorized that super massive black holes are important in the universe because they ______
It is theorized that supermassive black holes are important in the universe because they control:
The growth of galaxiesProvide energy for their surroundingsShape the evolution of their host galaxiesSupermassive black holes have a huge impact on the universe. These incredibly dense objects exert an immense gravitational pull, which is strong enough to control the growth of galaxies, pull in gas and dust, and affect the motion of stars and other objects within the galaxy. The energy released from these objects is also essential to their surroundings, providing the energy to power quasars and other energetic phenomena. This energy also shapes the evolution of its host galaxies, influencing the rate of star formation and the structure of the galaxies. In short, supermassive black holes are integral to the universe, providing both energy and structure to their home galaxies.
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if you were in the town of mentone and needed to pick up your friend in bankhead, which direction would you drive in to pick he/she up?
To pick up your friend in Bankhead, you would have to drive in the direction of Birmingham.
The town of Mentone is located in Alabama, USA. Bankhead is a neighborhood located within the city limits of Birmingham, which is approximately 30 miles away from Mentone. You would start by driving east on State Route 117, which connects Mentone to Birmingham. Along the way, you will pass by several small towns and scenic views.
You will eventually reach the city limits of Birmingham, where you will have to take a right on I-59/20 to continue in the direction of Bankhead. After a few miles, you will take the exit for 2nd Ave. North, which will take you directly into Bankhead. Once you reach Bankhead, you can follow the road signs to your friend's location.
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What's The Average American Women's Height?
Answer:5'4 i believe
Explanation:
In the United States, women are typically 63.7 inches tall, or about 5 feet 4 inches.
Approximately 63.7 inches tall, or just under 5 feet 4 inches, is the average height. Trusted Source for American women aged 20 and up as of 2016. 170.6 pounds is the average weight.
Body dimensions and shape have evolved over time. The typical woman between the ages of 20 and 74 stood 63.1 inches tall and weighed roughly 140.2 pounds in the 1960sTrusted Source. Using data from the National Health Examination and the National Health and Nutrition Examination Surveys between 1960 and 2002, this report shows trends in national estimates of mean weight, height, and body mass index (BMI).
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Interior layer of rock is the _____.
Please help ASAP!!! It's a quiz!!! It's Science
The interior layer of rock is the mantle.
The mantle is the interior layer of the Earth, located between the Earth's crust and the outer core. It is made up of hot, semi-solid rock and has a thickness of approximately 2,900 km. There are two parts to the mantle: the upper mantle and the lower mantle. The upper mantle is solid and brittle, while the lower mantle is partially molten and plastic.
The mantle is composed primarily of silicate minerals, including magnesium, iron, and aluminum. It is responsible for the generation of earthquakes, volcanic eruptions, and plate tectonics. The mantle also drives the convection of hot rock that helps to distribute heat from the Earth's interior to the surface. This convection also causes the movement of the Earth's tectonic plates, which play a key role in shaping the Earth's surface and geological history.
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based on the data in the figure, what type of selection for body size appears to be occurring in these marine iguanas?
Based on the data in the figure, stabilizing selection for body size appears to be occurring in these marine iguanas.
ABOUT MARINE IGUANAMarine iguana (Amblyrhynchus cristatus) is a species of iguana that is only found in the Galapagos Islands (Ecuador). Among modern lizards, the marine iguana is a marine reptile that has the ability to dive to find food, its main food being marine algae, which are at the bottom of rocks. Larger males may dive for algae, while females and smaller males forage at low tide in the intertidal zone.
They mainly live in colonies on rocky shores where they bask after diving in relatively cold waters or the intertidal zone, but can also be seen in swamps, mangroves and beaches.
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a) It is responsible for the fact that the seasons are opposite in the Northern and Southern hemispheres.
b) It causes the seasons to be more extreme than they would be if the Earth's distance from the Sun were always the same.
c) It makes summer warmer in the Northern Hemisphere than in the Southern Hemisphere.
d) It doesn't --- Earth's orbital distance plays no significant role in the seasons.
Both hemispheres encounter different weather because of their different distances from the sun. The Earth's rotation around the sun and its tilt both contribute to this phenomenon.
The Earth's 23.5° tilt on its axis is what causes the seasons. The Northern Hemisphere is tilted toward the sun in June and away from the sun in December due to the tilt's position with respect to space, which is seen in the graphic below. The warmer seasons of spring and summer are when the Northern Hemisphere receives the greatest sunlight. The Southern Hemisphere experiences its coldest seasons—winter and fall—at the same time as it receives the least sunlight.
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a major flood has struck a rural town, compromising the town's water infrastructure component of the food, water, shelter lifeline. the community's drinking water is believed to be compromised and contaminated by flood waters. no response solution or timeline has been identified to restore water service. what is the appropriate status condition? a. green b. red c. yellow d. blue
The appropriate status condition for the flood situation is red. This is option b.
An overflow of water (may include other fluids) that submerges land that is usually dry is called a flood. The word flood, in the sense of flowing water, may also be applied to the inflow of the tide.
Floods are studied in the discipline hydrology. Human changes to the environment can often increase the frequency and intensity of flooding. Climate change can increase the severity of other causes for flooding, which result in more intense floods and increased flood risk.
There are four colors to indicate emergency status condition, which include:
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state whether the triangles are similar if so write a similarity statement and the postulate
For different sides in every triangle that are relative to one another, and a comparing remembered plot for the two triangles that are congruent, the two triangles are similar.
The two triangles are comparatively utilizing the SAS Comparability Hypothesis, which expresses that two triangles are comparable on the off chance that they have two sets of relating sides that are relative and a relating included the point that is congruent. The likeness proclamation you inferred is additionally right: "ΔNOM similar to ΔKOJ".
Two triangles are comparative on the off chance that they have 2 corresponding sides and a consistent included point. Utilizing SAS Closeness Hypothesis, it's presumed that ΔNOM is like ΔKOJ.
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what is the approximate rate of movement of tectonic plates?
The approximate rate of movement of tectonic plates is up to four inches (10 centimeters) per year.
What is tectonic plates?Huge fragments of the Earth's crust and upper mantle make up tectonic plates. They are composed of both continental and oceanic crust. Around mid-ocean ridges and the significant faults that define the plate boundaries, earthquakes happen. The plates fit tightly against one another and rest on the hot, molten rock of the Earth's mantle like fragments of a broken shell.
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the period of mars's orbit is 1.88 years. what is the distance of mars's semimajor axis?
As the period of mars's orbit is 1.88 years, then, the distance of mars's semi major axis will be 1.52AU.
What does Mars's semi-major axis means?The period of Mars's orbit, which is its year, is 1.88 Earth years or 686.98 Earth days. The semimajor axis is related to the period of an orbit through Kepler's Third Law of Planetary Motion, which states that the square of the orbital period of a planet is proportional to the cube of its average distance from the Sun.
Mars has an orbit with a semimajor axis of 1.524 astronomical units (228 million km), and an eccentricity of 0.0934. The planet orbits the Sun in 687 days and travels 9.55 AU in doing so, making the average orbital speed 24 km/s.
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