The first person to advance the idea of mobile continents or continental drift was ________
A) Harry Hess
B) Frederick Vine
C) Alfred Wegener
D) Drummond Matthews
E) John Tuzo Wilson
C
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What does the line in the following example actually represent?H-H
A. a shared pair of electrons B. a covalent bond C. a pair of nonbonding electrons D. an ionic bond E. both A and B
The scientific method can only disprove a hypothesis because
A) experiments must be performed several times before a hypothesis is considered proven. B) if the prediction is correct, other explanations cannot be ruled out C) the hypothesis must constantly be revised D) they might be accepted as scientific theory
The Sun is the source of heat energy that determines:
A) air temperature. B) drives winds. C) controls precipitation patterns. D) all of the above.
The surface zone of the ocean
A) lies directly above the deep zone. B) is warmer in polar regions than in tropical regions. C) is a region of rapidly changing temperature. D) is well mixed by waves and currents. E) all of the above