Carbon dioxide ____
a. ?is not dangerous due to its strong odor
b. ?is a danger in a volcanic area even when no eruption is imminent
c. ?tends to collect in the attic of houses when no eruption is imminent
d. ?is only a danger during periods of volcanic activity
e. ?is a particular danger to climbers and hikers since it is emitted at the summit of a volcano
ANSWER: b
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On the windward side of the mountain, should the relative humidity of the parcel change as it rises from 3000 feet to 6000 feet? Why?
Assume that condensation begins at 100% relative humidity and that no evaporation takes place as the parcel descends.
Which of the following statements regarding a nucleon is true in regards to nuclear reactions?
A) A nucleon inside a nucleus has a lower mass than a nucleon outside of the nucleus. B) The number of nucleons changes in a nuclear reaction, therefore the mass changes. C) A nucleon has a higher energy inside a nucleus, and releases it when it undergoes nuclear reactions. D) A nucleon's mass is constant. E) A nucleon is more stable outside the nucleus.
The dry-summer subtropical climate is also called the ________ climate
A) savanna B) taiga C) monsoon D) Mediterranean E) nice
What is the feature numbered 3 in the center of this figure?
A. cirque B. U-shaped valley C. terminal moraine D. lateral moraine