When the universe originated, it was composed of 100% ____________________ and

____________________, but now consists of ____________________% hydrogen and 2%
____________________ elements. Fill in the blank(s) with the appropriate word(s).


hydrogen, helium, 98, other

Environmental & Atmospheric Sciences

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A central peak, or a dome of a volcanic mountain, generally produces ________ drainage patterns.

a. annular b. trellis c. parallel d. radial

Environmental & Atmospheric Sciences

Phytoplankton is responsible for the synthesis of 90% to 96% of the surface ocean's carbohydrates. Indicate whether the statement is true or false

Environmental & Atmospheric Sciences

A hurricane is almost symmetric (round) in shape because

A) there is no Coriolis force in the tropics. B) there is no frictional force in the tropics. C) a hurricane has only warm air. D) the hurricane moves along the ITCZ.

Environmental & Atmospheric Sciences

What region of the United States draws most of its electricity from nuclear power plants?

A) Middle West B) New England C) South D) West (excluding Alaska and Hawaii) E) Alaska and Hawaii

Environmental & Atmospheric Sciences