The type of energy that is responsible for sunburn is:
A) ultraviolet energy. B) infrared energy.
C) microwave energy. D) gamma ray energy.
A
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In thermohaline circulation of global current systems, surface water is ________
A) driven by winds from north to south B) less salty, less dense, and warmer C) cold and dense D) warm and dense E) saltier and colder
The external equivalent of stress is:
a. strain b. load c. pressure d. deformation
Tropical grasslands differ from midlatitude grasslands in that ____
a. the environmental control factor of fire is insignificant b. savanna grasses are very short c. tropical grassland includes a scattering of trees d. tropical grasslands terminate rather abruptly against rain forest e. the tropical grasslands support grazing animals
An example of a primary effect of drought:
A. rolling blackouts. B. low dissolved oxygen content in reservoirs. C. decrease in tourism. D. drop in groundwater levels.