What fuel is the source of energy from the Sun?

A) helium B) oxygen C) hydrogen D) lithium


C

Environmental & Atmospheric Sciences

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What is true of compensation depth?

a. It is the depth at which carbohydrate and oxygen production equals the amount of consumption b. It marks the bottom of the euphotic zone c. It receives only 1% of surface light penetration d. All of these choices

Environmental & Atmospheric Sciences

Shield areas of continents are found in modern ____

A)subduction zones B)continent-continent plate boundaries C)tectonically inactive regions D)divergent plate boundaries E)transform plate boundaries

Environmental & Atmospheric Sciences

Russians form the second largest ethnic group in each of the following countries except:

A) Georgia B) Belarus C) Azerbaijan D) Ukraine

Environmental & Atmospheric Sciences

Despite the fact that many parts of the Great Plains are facing economy stagnation and population loss, there are a number of characteristics such as ________ that make the region attractive to new residents

Fill in the blank(s) with correct word

Environmental & Atmospheric Sciences