What is the best way to deal with pollution?
A. Pollution cleanup only
B. Pollution prevention only
C. A combination of pollution cleanup and prevention
D. The most popular way at the current time
E. The cheapest way
Answer: C
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Which of these countries is experiencing the greatest stress from overuse of its surface water?
A. Saudi Arabia B. Great Britain C. Canada D. Brazil
A cohort ________.
A. implies the sharing of plants or horticulture between families B. refers to a culture C. is a group of people with a common characteristic D. none of these
Why does the ocean not boil or freeze solid in certain regions of the world?
a. Water has a low latent heat of vaporization. b. The heat capacity of solid ice is twice that of liquid water. c. Heat is transported by oceanic and atmospheric circulation. d. The ocean's thermal inertia is much lower than the land's. e. The annual freeze/thaw cycle of sea ice regulates the cycle.
The month in which the Earth makes its closest approach to the Sun is known as the ________, which varies on a 19,000 year cycle.
A. perihelion B. wobble C. axial tilt D. eccentricity