Changes in the Earth's orbital configuration may lead to warming temperatures. These warming temperatures, in turn, may lead to the release of both CO2 and CH4. Increases in these gases may further warm the planet. This is an example of a
A) positive feedback loop.
B) negative feedback loop.
C) neither a positive or negative feedback loop.
A
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A population with more old people than young people is likely to have a(n)____.
A. increase in population B. stabilized population C. decrease in population D. urbanized society E. economic downfall
Due to Soviet relocation programs, today Uzbeks are found only in Uzbekistan
Indicate whether the statement is true or false
Use of a natural resource based on sustainable yields is most applicable to the idea of ____.
A. nonrenewable resources B. renewable resources C. shared resources D. amenable resources E. recycling
As an erosional process, how is mass wasting unique compared to wind, water, and ice?
A) Mass wasting affects particles of all sizes whereas the others affect only smaller particles. B) Mass wasting affects much larger geographic areas than does wind, water, and ice. C) Mass wasting does not require a transporting medium. D) All of the above make mass wasting unique compared to wind, water, and ice.