Structure and Composition of the Atmosphere

Question 1

✔ nitrogen oxygen carbon dioxide

Revolt · Accepted Answer

nitrogen; Selection 1: nitrogen; Selection 2: oxygen; Selection 3: argon; Selection 4: carbon dioxide; Selection 5: small particles

Question 2

thermosphere stratosphere ✔ mesosphere

Revolt · Accepted Answer

mesosphere; Selection 1: mesosphere; Selection 2: stratosphere; Selection 3: mesosphere and troposphere; Selection 4: stratosphere; Selection 5: thermosphere

Question 3

nitrogen✔ oxygencarbon dioxide

Revolt · Accepted Answer

oxygen; Selection 1: oxygen; Selection 2: water; Selection 3: Sun

Question 4

Which statements correctly describe the properties of air? Select three options.Air has mass but no weight.Air pressure is created by the weight of the atmosphere pushing on Earth’s surface.Pressure is a measure of how tightly molecules are packed.Denser air is heavier than less dense air.Air is less dense at higher altitudes.

Revolt · Accepted Answer

Air pressure is created by the weight of the atmosphere pushing on Earth’s surface.; Denser air is heavier than less dense air.; Air is less dense at higher altitudes.

Question 5

Which image shows the place where the pressure and density of the atmosphere would be lowest?

Revolt · Accepted Answer

[Image: Mountains covered with snow....]

Question 6

On a warm summer day, a severe storm happens, and a tornado forms.Which layer of the atmosphere is experiencing this storm?

Revolt · Accepted Answer

troposphere

Question 7

During an evening hike, you see a shooting star just like the one pictured here.In which layer of the atmosphere does this shooting star occur?

Revolt · Accepted Answer

mesosphere

Question 8

One evening, you see the northern lights, which are shown in the image.In which layer of the atmosphere do the northern lights occur?

Revolt · Accepted Answer

thermosphere

Structure and Composition of the Atmosphere Answers

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