Isostasy is
A. the buoyant force exerted on the mantle by continental crust.
B. the positioning of the crust in response to the buoyant force and gravity.
C. the buoyant force exerted on the mantle by oceanic crust.
D. the force of gravity acting on the crust.
Answer: B
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Fill in the blank with correct words.
Which term applies to kudzu, a rapidly growing vine introduced from Japan, which now covers fields, abandoned houses, and trees in the southeastern U.S.?
A. invasive B. native C. indicator D. specialist
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Answer the following statement true (T) or false (F)