Carbon monoxide (CO)
A. is produced in large quantities by coal fired power plants.
B. naturally combines with oxygen to produce carbon dioxide.
C. persists for long periods.
D. is a secondary air pollutant.
Answer: B
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The troposphere warms as a direct result of shortwave energy passing into it
Indicate whether the statement is true or false
When the air is holding all the moisture it can at a given temperature, it is said to be ____________________
Fill in the blank(s) with correct word
Which of the following is NOT one of the states that formed from the former Soviet Union after its breakup?
A) Ukraine B) Russia C) Kazakhstan D) Chechnya E) Estonia
The earliest explanation for occluded fronts held that they formed when
A) a cold front overtakes a warm front. B) two warm fronts meet while traveling in different directions. C) a circular region of low pressure at the junction of a cold front and a warm front changed shape. D) cold air aloft undercut warm air near the surface.