In regard to the shortwave energy entering the earth's atmosphere, most is
A. used for sensible heat flux.
B. used to heat either the atmosphere or the ground surface.
C. lost into space by scattering and reflection.
D. used for latent heat flux.
Answer: B
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Just after the body dies, it immediately stops taking in needed oxygen. Does it at the same time immediately stop producing carbon dioxide?
A. No, and without CO2 exhalation the pH of the blood decreases to very damaging levels. B. Yes, because without the oxygen, carbon dioxide can no longer be produced. C. No, and without CO2 exhalation the pH of the blood increases to very damaging levels. D. Yes, because death means an immediate cessation of all body metabolism.
The measurement of radioactive parent atoms and stable decay products (daughter atoms) in a rock allow for which of the following to be determined:
a. The amount of time that has elapsed since the rock cooled from a magma b. The amount of time that has elapsed since the rock formed from the compaction of sediment c. The amount of time that has elapsed since the radioactive isotopes were synthesized in a supernova. d. The amount of time that has elapsed since the stable daughter isotopes were synthesized in a supernova.
Which of the following is a residual soil?
a. one developed on river gravel b. one developed on granite c. one developed on sand dunes d. one developed on volcanic ash e. one developed on glacial dust
An electrically polarized party balloon normally has
A. displaced charges. B. a net charge of zero. C. both of these D. none of the above