The "hill" of water that occurs as a result of westward intensification due to the Coriolis effect is formed by _____
a. cold-core eddies
b. warm-core eddies
c. Ekman transport
d. transverse currents
e. countercurrents
c
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You observe a dark colored igneous rock with very fine crystals that are only visible under
magnification. What can you say about this rock? a. It cooled slowly in a magma chamber. b. It cooled quickly in a magma chamber. c. It cooled slowly on Earth’s surface. d. It cooled quickly on Earth’s surface. e. It was ejected as a fine ash and later cemented together.
Which of the following is one finding of the IPCC report?
A. Most of the temperature increases since 1980 are due to human activities. B. Most of the temperature increases since 1980 are due to natural activities. C. The temperature of the lower atmosphere has gone down by 1.4oF. D. It is likely that the Earth is endangered by global cooling.
The form of autotrophy in which organic molecules are produced without using sunlight is called ____
A) respiration B) chemosynthesis C) heterotrophy D) decomposition
Which of the following statements regarding pH is true?
A) A pH of 10 is acidic, and a pH of 3 is alkaline. B) As a whole, the pH of the ocean is slightly acidic. C) Buffers accelerate large changes in the pH of a solution. D) pH will change in deeper water when organisms with calcite shells sink. E) pH relates to relative acid-base ion balance in a solution.