Small subsistence farms in developing nations
A) had a sustainable use of the environment when populations were smaller than now.
B) have mostly depleted the natural environment, making farming no longer possible.
C) can support the developing populations at up to 10 times their current population size.
D) have polluted rivers and streams and destroyed surrounding forests.
A
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Electrical resistance is normally measured in
A. joules. B. volts. C. amperes. D. none of the above
Which of the following languages is becoming increasingly important in the United State as a result of large-scale immigration from Latin America?
A) Portuguese B) English C) Spanish D) French E) Chinese
Which of the following is TRUE regarding cloud-condensation nuclei?
A) Maritime air masses generally possess more nuclei per cubic meter than continental air masses. B) Continental air masses average about a billion nuclei per cubic meter. C) Continental air masses contain more than 10 times the condensation nuclei of maritime air masses. D) Condensation nuclei is rare in urban environments.
Hot springs and geysers release hot water to the Earth's surface. This water may have been heated by residing which location?
a. Very deep in the crust b. The proximity of a magma chamber c. Near a mountain river d. All of the above e. Both a and b