There are three latitudinal climate zones in the Northern Hemisphere. The climate zone begins at the equator and extends to about 23°N latitude. Compared with the other two latitudinal climate zones, this zone receives amount of solar energy.
A.
temperate; a moderate
B.
polar; the least
C.
tropical; the greatest
D.
oceanic; the greatest

Which of the following is not a challenge to instituting sound global environmental policies? a. most changes are inexpensive and easy to implement. b. elected leaders who support unpopular environmental issues often are not re-elected. c. economic considerations outweigh environmental ones in many societies. d. there is no way to enforce international environmental agreements.

Which measure of humidity, relative humidity or dew point, best describes the actual quantity of water vapor in a mass of air

Fertility and mortality rates are higher in more developed nations.