In the year 2005 there were approximately ____ more sea otters in total than in 1985.

a. 100
b. 1,400
c. 500
d. 2,700


Ans: b. 1,400

Environmental & Atmospheric Sciences

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What will be an ideal response?

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Glaciers that are fed by ice and snow in mountain areas and that usually occupy valleys that were previously created by stream erosion are called _______________ glaciers

Fill in the blank(s) with correct word

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Water vapor is a greenhouse gas.

Answer the following statement true (T) or false (F)

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A) more settlements. B) higher population densities. C) industrialization. D) nonagricultural specializations. E) barter and trade between communities.

Environmental & Atmospheric Sciences