Identify two greenhouse gases.
A. nitrogen and oxygen
B. carbon dioxide and oxygen
C. methane and carbon dioxide
D. oxygen and ozone
Answer: C
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Approximately how much of the world's estimated oil and gas reserves are deposited within the sediments of
continental margins? a. one-third b. one-half c. two-thirds d. three-quarters e. one-fourth
How would the four ???? Florida hurricanes rank, in terms of damages, if
they had been a single event? What will be an ideal response?
Other than elevation, what can we say FOR CERTAIN that these two locations have in common?
A) They are both coastal communities. B) They both have wet summers. C) They both have dry summers. D) They are both located on inland continents.
Which of the following statements about porosity is NOT valid?
A. Fractures may be the only real porosity in some igneous rocks. B. The amount of water that can be stored depends on the porosity. C. Better sorted sediments have more porosity than unsorted ones. D. Porosity partly depends on size and shape of grains and clasts. E. All of these are valid.