Match the term with the appropriate phrase. You may use each answer once, more than once or not at all.
-rising and sinking air masses moving in a circular fashion
A)troposphere
B)tropopause
C)convection cell
D)stratosphere
E)water vapor
F)ozone (O₃)
G)nitrogen (N₂)
H)oxygen (O₂)

Question

Quizplus · Accepted Answer

Convection cells involve rising and sinking air masses moving in a circular fashion.

Answer: A
 The troposphere is the layer of the atmosphere where convection cells occur.

Answer: B
 The tropopause is the boundary between the troposphere and the stratosphere.

Answer: D
 The stratosphere is the layer of the atmosphere that contains the ozone layer, which absorbs UV radiation.

Answer: E
 Water vapor is a greenhouse gas that plays a role in the Earth's atmosphere.

Answer: F
 Ozone (O₃) is a triatomic form of oxygen that is formed when UV radiation interacts with O₂ in the stratosphere.

Answer: G
 Nitrogen (N₂) is the most abundant gas in the Earth's atmosphere.

Answer: H
 Oxygen (O₂) is the second most abundant gas in the Earth's atmosphere.

Match the Term with the Appropriate Phrase