Structure and Composition of the Atmosphere Answers

✔ nitrogen oxygen carbon dioxide

argon ✔ oxygen nitrogen

✔ argon oxygen nitrogen

argon ✔ carbon dioxide nitrogen

✔ small particles ice crystals gas molecules

nitrogen✔ oxygencarbon dioxide

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.

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

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

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

Use the drop-down menus to complete each sentence about the layers of the atmosphere. If the did not exist, Earth might be destroyed by chunks of rock from space. The is located 12 to 50 kilometers from Earth’s surface. Both the get colder as altitude increases. The ozone in the protects people from ultraviolet (UV) radiation. The has the highest temperature of any layer in Earth’s atmosphere.

oxygen✔ watercarbon dioxide

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✔ Sunground moon

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