How is the atmosphere like a florist's greenhouse?
A) Both trap long-wave electromagnetic radiation.
B) Both trap short-wave electromagnetic radiation.
C) Both prevent convection of warmed air.
D) Both trap a broad range of electromagnetic wavelengths.
A
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Phytoremediation
a. involves the use of plants to remove contaminants from polluted soil and water b. involves the use of microscopic filter-feeding organisms to filter contaminants from water c. has been shown to be ineffective in the long term d. is too costly to be practical e. all of these answers
Which cloud is least likely to produce precipitation that reaches the ground?
A) stratus B) nimbostratus C) cumulonimbus D) cirrocumulus
Which definition of oxidation is most useful when considering the oxidation of tertiary alcohols?
A) gain of oxygen B) loss of electrons C) loss of hydrogen D) None of these, 3° alcohols are not oxidized.
This photograph shows an upper unit with fragments and a lower unit with tilted layers. Which of the following statements is true?
A. The lower unit is older because it was tilted and eroded before deposition of the upper unit. B. The upper unit is younger because it contains pieces of the underlying unit. C. The upper unit is younger because it is on top. D. All of these choices are correct.