A ________ volcano is composed of alternating layers of pyroclastic fragments and solidified lava flows.

A. cinder cone
B. caldera
C. composite
D. plateau
E. shield


Answer: C

Environmental & Atmospheric Sciences

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________ ________ happens when a firm begins to control the outlets for its product

Fill in the blank(s) with correct word

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Lightning can shoot from the top of thunderstorms into the upper atmosphere

a. True b. False

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The conversion of solar energy into chemical energy occurs in

a. Photosynthesis b. food chains c. Chemosynthesis d. heterotrophic organisms e. food webs

Environmental & Atmospheric Sciences

Stereoisomers exist for which of the following molecules, all of which have the molecular formula C5H8?

A) 1,3-pentadiene B) 1,4-pentadiene C) 2-methyl-1,3-butadiene D) all of them

Environmental & Atmospheric Sciences