about how high can water be theoretically lifted by a vacuum pump at sea level?

Answer:

The Western Allied invasion of Germany was an attack on Nazi Germany that was done by the Western Allies in the final months of the European War in World War II. The invasion started with the Allies crossing the Rhine River. Then they spread out and moved through western Germany. The Germans surrendered on 8 May 1945.

Answer:

all the continents on Planet,'Earth'.

Explanation: all the continents on Planet,'Earth':

1. Africa,

2.south America,

3.Antarctica,

4. Asia,

5.Australia,

6. Europe.

7.north America

Spacetime coordinate x of the collision in earth's reference frame = 0.073m

Given: Velocity of the gamma ray photons = 0.998c Velocity of the protons = 0.999c. Distance travelled by the protons = 4.96 x 10^11 m. We can use the equation: Δt′ = Δt/γ, whereγ=1/(1−(v^2/c^2)​)1/2Here, v = velocity of the proton in the earth’s frame and c is the speed of light.Δt’= 1.5 μs/γWe can also use the relationship Δx′ = (vΔt)/γ where Δx’ = length contraction and v = 0.998c as seen in the earth’s frameΔx’= 0.936 m/γ
Now, using the spacetime interval s^2 = Δx^2−c^2Δt^2Where s = 0 and Δx′ = 0.936 m/γ and Δt’ = 1.5 μs/γThus, 0 = (0.936/γ)^2−c^2(1.5/γ)^2We obtain γ = 5.78.The velocity of the proton as seen from the earth is v = 0.999c/γ = 0.173cLength contraction factor is Δx′ = (vΔt)/γ = 1.5 × 10^−6 × 0.173 × (1/5.78) = 0.073m. From the above calculations, we can conclude that the spacetime coordinate x of the collision in earth's reference frame is 0.073m.

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The study of the spatial organization of human activity and of people's relationships with their environments. this sub-field of geography is called human geography.

Anthropogeography, often known as human geography, is a subfield of geography that investigates the geographical relationships between human groups, cultures, and economies, as well as the ways in which these factors interact with the surrounding environment. Methods of qualitative and quantitative research are utilized in order to conduct an investigation into the spatial interdependencies of social interactions and the natural environment.

Since 1945, human geography has been divided up into five primary categories. The first four are economic, social, cultural, and political, they reflect both the primary domains of modern life and the social science disciplines with which geographers interact. The fifth domain, historical geography, reflects the course of human history.

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Answer: C,A,B,D

Explanation:

The solar system consists of the sun, the planets and other bodies orbiting it. The formation of the solar system occured in the following order:

C. Hydrogen and helium formed atoms.

A. Earth was bombarded by new materials after formation.

B. Earth separated into layers based on the weight of materials.

D. Outgassing of volcanoes produced a primitive ocean

Therefore, the correct option is C, A, B, D.

Answer:fizzy drinks, solution with iodine, coffee with milk, the oxygen in the blood

Explanation:

Convection currents take place in the mantle and result when less dense material rises closer to the crust and dense material sinks back into the mantle. As the less dense material rises, it causes plate tectonics.

plate movements :

collide making mountains

pull apart making volcanoes

slide past each other making earthquakes

analogy :

plate tectonics is like

a raft floating on water

plates are like rafts

raft moves on water

convection currents in the mantle are like water

chatgpt

Answer:

The epicenter is at the surface directly above the focus.

Explanation:

The epicenter is right above the focus.

Answer:

your giving me a hard time ☺️

Answer:

If there were no atmosphere around the earth, the temperature of the earth will increase during day and decrease during night. In the absence of atmosphere around the earth, it will be like a moon. There would be no life, no winds, no rains, no fires, no protection against harmful solar radiations. Due to absence of atmosphere around the moon, the temperature ranges from -190

0

C to 110

0

C. Air is a bad conductor of heat. The atmosphere has an average temperature of the earth almost steady during the day and night. It prevents sudden increase in temperature during the day time. Also, it decreases the rate of escape of heat during night time.

Thus, the correct answer is 'Increase during day and decrease during night.'

Explanation:

1-true

2-false (mainly aztecs used this technique)

3-true

4-true

5-false (we don't see slavery like we used to so false)

6-false (1808-1826 is when they started to become independent)

(hope this helps. I would say research 2 and 5 if you still want better answer. Have a great day!)

The fragmented patches with broken corridors showed the greatest number of species extinctions in the mossy rock ecosystem.

Any rock that is entirely or partially above ground level in a natural setting is referred to as a moss rock. The term "moss rock" refers to how frequently mosses and lichens grow on their exposed faces. Not every rock has vegetation growing on it since some of them were produced beneath other rocks.

Natural resources such as native plants, water flows, and crucial habitat are all harmed when moss rocks are removed from natural settings. The removal of moss rocks may result in crucial soil deterioration from the use of powerful earth moving equipment on extremely erodible landscapes, changed flows of water over slopes of hills and concentrated flows across exposed soil, and degraded waterways due to higher erosion rates, silt buildup, and changing the speed of the water flow.

Option A is the correct answer.

The complete question is, "In the mossy rock ecosystem, which type of moss patch showed the greatest number of species extinctions?

a. The fragmented patches with broken corridors

b. The fragmented patches with no corridors

c. The fragmented patches with corridors

d. The large control patch"

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Yes , an example is China, which does allow party members to vote. Hence it possible for a republic to exist under single-party rule

This is the type of system that thas one politivcal party only in a given nation. The communist party in China is an example of such. The nation may have a lot of parties but only one of the parties would be what is allowed to hold the power in the nation

A republic can as well function as such as a party state. This is where the nation of China comes in as the communist party is what is recognized here.

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Animals use caves as shelters. The places are called dens, sheds, stables, nests, burrows, etc. The correct option is a.

Animals require their own shelter for a variety of reasons, including protection, reproduction, and so on. Some animals construct their own homes in which to live. Some animals simply seek shelter in caves and rocks that live beneath them. Some of the locations are known as dens, sheds, stables, nests, burrows, and so on. These animal charts' shelters protect them from extreme weather conditions and wild animals. In this article, we learned what an animal shelter is and why they are necessary. We also talked about different kinds of animals and their shelters.

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Answer:

Chanhassen

Explanation:

The statement center of mass for Earth orbiting the sun lies inside the sun is true because the center of mass (COM) is the point at which the whole mass of a body is assumed to be concentrated, so that the body moves as though the total mass is concentrated at a single point.

In our solar system, the center of mass is the balance point of the gravitational forces between the Sun and each of the planets. For any two objects, each object orbits around the center of mass of the two objects. However, if one of the objects is significantly more massive than the other, the center of mass will lie within the more massive object.

This is the case with our solar system because the Sun is much more massive than any of the planets, so the center of mass is inside the Sun. The orbit of the Earth around the Sun is an example of a two-body system, with the Sun being the more massive object. Therefore, the center of mass of the system is inside the Sun.

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Answer:

c

Explanation:

Answer:

true

Explanation:

Answer: True

I took the test review and got a 100

Explanation:

The first stage of development of a river valley is shown in Picture A which depicts the Youthful stage of a river valley.

The formation and development of a river valley is a natural process that takes place over a long period of time. It goes through several stages, which are described as youthful, mature, and old age. The youthful stage is the first stage of the river valley development, and it is characterized by the steep gradient and the rapid erosion of the landscape. Picture A shows the youthful stage of a river valley. The river valley is narrow, deep, and steep-sided with a small amount of water flowing through it. As the river flows through this stage, it erodes the landscape, forming a V-shaped valley with rapids and waterfalls, which makes it an attractive place for adventure sports like rafting and kayaking. The mature stage is the second stage of the river valley development, and it is characterized by the gradual widening of the river valley, as the river erodes the banks and the surrounding hills. This stage is shown in Picture B where the valley is wider than in Picture A and has a more gentle gradient. In this stage, the river meanders, forming oxbow lakes, and flood plains, which are ideal for farming. Finally, the old age stage is the last stage of the river valley development. This stage is characterized by the flat, wide valley floor with a slow-moving river, meandering through the landscape. This stage is shown in Picture C where the valley is flat and wide, and the river flows slowly, forming a meander belt. The valley floor is fertile and is ideal for agriculture.

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Typically, the stages of development in a river valley can be classified as follows:

1. youthful stage: in this stage, the river is relatively small and flows swiftly with steep slopes. v-shaped valleys, narrow channels, and waterfalls or rapids are characteristic features.

2. mature stage: as the river continues to erode the landscape over time, it enters the mature stage. the valley widens, and the river channel becomes broader and deeper. meanders (curved bends) can form, and the overall gradient of the valley decreases.

3. old age stage: in the old age stage, the river valley becomes even wider and flatter. meanders can become more pronounced, and oxbow lakes may form when meanders are cut off. floodplains, levees, and natural levees can also be observed in this stage.

it is important to note that the actual appearance and progress of a river valley can vary depending on various factors such as geology, climate, and time scale. to determine the first stage of development in a river valley based on pictures, it would be necessary to examine the specific characteristics depicted in each image.

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Answer:36

Explanation:

After solving the value of u is 74°.

A quadrilateral is a four-sided polygon. It can be equilateral, meaning all sides are equal in length, or it can be a non-equilateral shape with four unequal sides.

After analyzing the diagram:

∠EFB = ∠CFB

∠CFB = 36

As we know that the sum of all angles in triangle is 180°. So

∠BCF = 180 - ∠FBC - ∠CFB

∠BCF = 180 - 90 - 36

∠BCF = 180 - 54

∠BCF = ∠BCD         (Angle is 90°)

54 = u - 20

Add 20 on both side, we get

u = 74

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The complete question is:

Quadrilateral CDEF is a rhombus and m∠BCD = u - 20°. What is the value of u?

The education system in South Africa has a complex history shaped by social, political, and economic factors. It has gone through significant changes over the years, but still faces challenges such as inequality, resource disparities, and high dropout rates.

During the apartheid era, education was segregated along racial lines, with separate systems for white, black, colored, and Indian students. The education of black students was severely disadvantaged, with limited resources and poor infrastructure.

After the end of apartheid in 1994, efforts were made to address these inequalities and create a more inclusive and equitable education system. However, challenges persist, including disparities in resources and quality of education between different regions, high dropout rates, and a lack of access to quality education for many marginalized communities.

Additionally, the legacy of apartheid still impacts the education system, with issues such as language policies and curriculum transformation being debated. Despite these challenges, South Africa has made progress in increasing access to education and improving the quality of teaching and learning.

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Answer:

i)

Explanation:

This means that where fossils are found prove contiental drift. If a dinosaur only lived in one spot but the fossils are found a continent apart, it means that continental drift would have to be true.

Answer:

1) near India

Explanation:

Bhutan is nowhere close to Mexico, Mexico is in North America and Bhutan is in Asia. India, Nepal, Bangladesh, China, and Burma are close to Bhutan.

Answer:

1 near India

is the required answer of your question

hope it is helpful to you

The major fire occurred in the Chicago in 1871 because of persistent high-pressure zones that prevented moisture-laden winds from the Gulf of Mexico reaching the area.

The Great Chicago Fire was a blaze that raged in Chicago, Illinois, in the United States, between October 8 and 10, 1871. Over 17,000 buildings and about 3.3 square miles (9 km2) of the city were destroyed by the fire, which also left about 300 people dead and more than 100,000 people homeless. [3] Southwest of the city's center, a neighborhood caught fire. The city's predominately wooden construction, coupled with a protracted period of hot, dry weather, contributed to the fire. The fire first jumped the Chicago River's south branch, destroying much of central Chicago, before jumping the river's main branch and destroying the Near North Side.

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Answer:

A lot of reasons, Climate change is becomeing more and more prominant. There's a whole in the atmosphere that's growing because of aerosol sprays. Pollution of all kinds is growing.

Large-scale landscape, mosaic restoration, wide-scale restoration, and remote restoration are different ways to restore landscapes. Out of these options, the type of restoration that has the largest potential is "Mosaic restoration".

Mosaic restoration is a type of landscape restoration technique that involves restoring different parts of an ecosystem and connecting them to form a mosaic pattern. This process is carried out in areas that have been degraded or lost their natural characteristics due to human activities or other factors. Restoration of the mosaic pattern helps to improve the ecological health of an ecosystem and enhances the biodiversity and productivity of the region.

Mosaic restoration can provide a range of benefits that include the following:

Restoration of habitat for threatened and endangered species

Improvement in soil health and quality

Re-establishment of native plant and animal populations

Improved water quality

Enhancement of landscape aesthetics and outdoor recreational opportunities

Thus, mosaic restoration has the potential to bring about significant ecological and socio-economic benefits. It is one of the most effective ways to restore degraded ecosystems and help them to thrive once again.

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