If 2 grams of water absorbs 20 calories of heat, the resulting water temperature change is ________
A) +20°C B) -10°C C) -20°C D) 0°C E) +10°C
E
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Primary pollutants are
A. chemicals or substances emitted directly into the air. B. those formed from reactions with other pollutants in the atmosphere. C. found only in stratospheric ozone. D. also known as natural pollutants. E. found only in fossil fuels.
On human time scales, nonrenewable resources ____.
A. may be considered inexhaustible B. can never be recycled C. are replenished by natural processes within hours D. are used without ever becoming depleted E. can be depleted much faster than nature can form them
____________________ and ____________________ are mineral compounds that are commonly
produced by animals and are known as calcium ____________________. Fill in the blank(s) with the appropriate word(s).
What factors determine where back-office services will locate in LDCs?
A) political stability and cultural diversity B) market threshold and service range C) military training and proximity to command and control centers D) low wage rates and workers who can speak English E) tax advantages and bank secrecy laws