12 Questions
What percentage of Earth's atmosphere is made up of nitrogen and oxygen?
99%
Which of the following is NOT a way that thermal energy is transferred in Earth's atmosphere?
Evaporation
What is the top-most layer of Earth's atmosphere called?
Exosphere
What is the purpose of Earth's atmosphere?
All of the above
What causes wind in Earth's atmosphere?
The movement of air
What happens when a hot air mass begins to rise into the atmosphere?
A mass of cooler, denser air moves in to replace it
What is the primary factor that affects the amount of water vapor in the air?
Air temperature
Which of the following gases occur naturally in Earth's atmosphere?
Both (a) and (c)
What is the primary cause of increasing greenhouse gas emissions and rising global temperatures?
Human activities like burning fossil fuels
What is the term used to refer to the particles of solids and liquids floating in the atmosphere?
Aerosols
Which layer of the atmosphere is described as the lowest layer, where clouds and weather occur?
Troposphere
How can you convert kilometers to an approximation of miles?
Divide by 2 and add 10%
Learn about the composition and characteristics of Earth's atmosphere, including the five layers, transfer of thermal energy, and key gases like nitrogen and oxygen.
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