Which of the following is considered a greenhouse gas?
A. nitrous oxide
B. oxygen
C. helium
D. hydrogen
Answer: A
Environmental & Atmospheric Sciences
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Cold-weather storms that behave much like hurricanes are known as _______________
Fill in the blank with correct word.
Environmental & Atmospheric Sciences
Approximately ________ percent of wind transportation of particles occurs through saltation
A) 5 B) 15 C) 30 D) 50 E) 80
Environmental & Atmospheric Sciences
Minerals are formed by the process of
A. magma differentiation. B. silica enrichment. C. crystallization. D. partial melting.
Environmental & Atmospheric Sciences
Which of the following activates the receptor sites for acetylcholine?
A) curare B) nicotine C) opiates D) none of these
Environmental & Atmospheric Sciences