Archaea may be any of the following except
A. chemoautotrophs.
B. prokaryotes.
C. eukaryotes.
D. extremophiles.
Answer: C
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What is the main problem with the amount of carbon dioxide we have added to the atmosphere over the last several decades?
A. The amount released has overwhelmed the natural removal processes. B. Significant amounts of it have been absorbed by the oceans resulting in lower than expected sea levels. C. The temperature of the atmosphere is predicted to fall sharply in the coming decades. D. It has stimulated the growth of trees in rainforests around the world.
Whereas Aristotle relied on logic in explaining nature, Galileo relied on
A) observation. B) patterns. C) experiment. D) mathematics.
________ is the boundary line separating adjacent stream drainage basins
Fill in the blank(s) with correct word
The Boserup thesis argues that:
A. population increases necessitate increased inputs of labor and technology. B. distortions of market control may also be introduced to favor certain crops or commodities through subsidies. C. the uses to which parcels were put was a function of the differing "rent" values placed on seemingly identical lands. D. expanded food production made possible through the Green Revolution has helped alleviate some of the shortages and famines.