Groundwater provides the second to the largest reservoir of fresh water available to humans, since the surface water in rivers is the largest reservoir of fresh water.
a. true
b. false
Answer: b. false
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Humid subtropical climates
A) occur in the lower latitudes of western North America. B) often have convectional thundershowers in summer. C) typically receive nearly all of their rainfall in winter. D) are often influenced by cold or cool ocean currents.
Reliance on the continued use of fossil fuels is not sustainable because fossil fuels are
A) concentrated in countries that are not politically stable. B) not significant sources of energy and are increasing in cost. C) not renewable and contribute to global climate change. D) not renewable and are primarily from politically unstable regions.
UNCED was the former name for the Earth Summit.
Answer the following statement true (T) or false (F)
The Northern Hemisphere has its maximum tilt toward the Sun on the
A) December solstice. B) March equinox. C) September equinox. D) June solstice.