The Hawaiian islands were formed volcanism associated with a(n) ________
Fill in the blank(s) with correct word
hot spot
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What can you deduce about the activation energy of a reaction that takes billions of years to go to completion? How about a reaction that takes only fractions of a second?
A. The activation energy of both these reactions must be very low. B. The slow reaction must have a low activation energy, while the fast reaction must have a high activation energy. C. The slow reaction must have a high activation energy, while the fast reaction must have a low activation energy. D. The activation energy of both these reactions must be very high.
The amount of oxygen required to decompose organic matter in water is called
A. BOD. B. photosynthesis. C. respiration. D. DO.
Which statement applies to resources from the sea?
A) They are easier to recover than from the land. B) They are more difficult to locate and extract than resources on land. C) They are in greater variety than minerals on land. D) They are less expensive to recover than from land.
Most Atlantic tropical cyclones have their origin in
A. the Caribbean. B. the Gulf of Mexico. C. the middle of the Atlantic Ocean. D. northwest Africa.