Which of the following describes an important difference between the stratosphere and the troposphere?
a. The stratosphere has more air mass than the troposphere.
b. The stratosphere has higher temperatures and less ozone than the troposphere.
c. The stratosphere has more CO2 and less ozone than the troposphere.
d. The stratosphere contains more ozone and less water vapor than the troposphere.
e. The stratosphere has more water vapor and less nitrogen gas than the troposphere.
Ans: d. The stratosphere contains more ozone and less water vapor than the troposphere.
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All of the following will enhance the formation of hail EXCEPT
A. great vertical development of the cloud. B. great amounts of cloud water droplets and water vapor. C. little temperature contrast between fronts. D. strong updrafts and downdrafts found within the cloud.
Which of the following is the SECOND most abundant gas in the atmosphere?
a. nitrogen b. oxygen c. argon d. ozone
Which of the following scenarios best describes the creation of the lahars associated with the eruption of Mt. St. Helens in 1980?
A) Hot gases melted the volcano's snowcap, generating meltwater that mixed with ash. B) A volcanic flank collapsed in a landslide, which flowed into Spirit Lake. C) Ash deposited during the eruption was remobilized by a flood years later. D) The eruption deposited fine ash in the Toutle River.
Which of the following changes in conditions indicates heating of the rock?
A. from D to A B. from A to B C. from B to C D. from C to D E. None of these choices are correct.