The Sun is very hot, so it radiates _______ energy and the energy has a _______ wavelength than energy coming from Earth.
A) more; longer
B) less; longer
C) less; shorter
D) the same; shorter
E) more; shorter
Answer: E) more; shorter
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The Amazon basin makes up about two thirds of
A. Mexico. B. Argentina. C. Brazil. D. Venezuela.
When DNA is replicated in eukaryotes,
A. a molecule of messenger RNA (mRNA) is constructed using DNA as a template. B. the new molecule of DNA includes the bases A, C, T, and U. C. the new molecule of DNA consists of two newly synthesized strands. D. each new molecule of DNA consists of one old strand and one new strand.
In the discussion of Earth's annual energy balance, we saw that Earth absorbed approximately 51 units of solar energy but emitted 117 units of infrared energy. What prevents Earth from getting colder and colder?
The above map shows the world distribution of
A) nuclear reactors. B) hydropower facilities. C) wood-fired power plants. D) natural gas fields. E) oil refineries.