Evolutionary development comes as a result of ________
A) geographic location
B) extinction
C) DNA mutations
D) unknown processes
E) species migration
Answer: C
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The brightest and most common rainbows are
A) primary rainbows. B) secondary rainbows. C) moonbows. D) glories.
Fogs "burn off" from the ground up
Indicate whether the statement is true or false
What is the name of the supercontinent that preceded Pangaea?
A) Amasia B) Rodinia C) Challenger D) Africana
What has been the pattern of population growth in Russia since the demise of the USSR?
A) slow population growth B) zero population growth (equal birth and death rates) C) a sudden surge immediately following the collapse of the USSR followed by a sharp decline D) declining population growth (except among ethnic non-Russians) E) rapid population growth