When considering the world population as a whole, birth rates and death rates enable one to calculate ________
A) the causes of infant mortality in a population
B) the relative rates of immigration and emigration
C) the causes of death in a population
D) the proportions of fertile women in a population
E) the increase or decrease in the population
E
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The opening and closing of an ocean basin is also referred to as a/an _____________. Fill in the blank(s) with the appropriate word(s)
Which of the following is considered a regional scale air pollutant?
A) acid precipitation B) CFCs C) ozone depletion D) carbon monoxide E) hydrocarbons
Which of the following statements is TRUE?
A) Earth emits more energy per area than the Sun. B) The Sun essentially functions as a blackbody. C) The Sun is a type of black hole. D) Earth radiates energy into space. E) The Earth system receives more solar energy than the Earth system emits into space.
In the carbon cycle, carbon in the form of atmospheric carbon dioxide is incorporated into carbohydrates in plant tissues through ________
A) evaporation B) photosynthesis C) carbonification D) carbon sequestration E) carbonation