The carbon dioxide absorbed by plants is an example of an ________ to a forest and an ________ from the atmosphere
A) input; input
B) input; output
C) output; output
D) output; input
B
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The three types of deserts are _____________, _______________, and ___________
Fill in the blanks with correct word
Traditionally, in which region of Europe were environmental conditions the worst?
A) Benelux countries (Belgium, Netherlands, Luxembourg) B) Eastern Europe C) Iberian Peninsula D) Scandinavia E) Southern Europe
The natural materials most commonly associated with earth failures are ________.
A. basalt B. pahoehoe C. granite D. quartz E. clay minerals
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 proportions of fertile women in a population C) the relative rates of immigration and emigration D) the increase or decrease in the population E) the causes of death in a population