Coal strip mines can be difficult to revegetate because of the acidity resulting from weathering of sulfur in spoils.
Answer the following statement true (T) or false (F)
True
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What do glaciers do in an ice age?
A. They cover the entire Earth. B. They become more dense. C. They move faster toward the sea. D. They advance toward the equator.
________ have greater species richness than ________
A) Deserts; tropical rainforests B) Oceans; terrestrial ecosystems C) Coral reefs; other areas of the oceans D) Tropical and subtropical grasslands; tropical rainforests
Directly seaward of the continental shelf is a more steeply sloping region called the ________
A) abyssal plain B) continental rise C) continental slope D) mid-ocean ridge E) trench
"Cold fusion"
A. involves using a rare isotope of uranium. B. has not been clearly demonstrated in the laboratory. C. is a very cheap and efficient way to carry out fusion reactions. D. can be used to produce fuel for future nuclear reactors.