Which is the more accurate measure for showing the rate and probability of reproduction among fertile females?
A. crude birth rate
B. total fertility rate
Answer: B
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Most of the countries that suffer from drought are in North and South America.
Answer the following statement true (T) or false (F)
What is a heterotroph?
a. An organism that creates its own food b. An organism that consumes food from other organisms c. An organism that conducts chemosynthesis d. An organism that conducts photosynthesis e. An organism that is a primary producer
What two sets of conditions, working together, will make the atmosphere the most unstable?
a. cool the surface and warm the air aloft b. cool the surface and cool the air aloft c. warm the surface and cool the air aloft d. warm the surface and warm the air aloft
Overland flow of runoff is responsible for:
a. gully erosion b. rill erosion c. sheet erosion d. all of the above