Approximately what percentage of amphibian species is threatened with extinction and declining worldwide?

a. 43%
b. 33%
c. 33%, 43%
d. 80%
e. 43%, 53%


C

Environmental & Atmospheric Sciences

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________% of Earth's land area is currently covered by forest

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Assess the problems and prospects for cities today

What will be an ideal response?

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Examine the photo at the beginning of this chapter. Describe the natural and human-created features visible in the photo and relate them to stream processes

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The utility of a specific place

A) varies directly with its distance from a person's primary place of residence. B) is unaffected by the friction of distance. C) is the same for all people. D) is a measure of the value and importance of that place to a certain person or group.

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