At the end of the Paleozoic era, _____ constituted about 90% of the known reptile genera

A)therapsids
B)pelcyosaurs
C)protorothyrids
D)thecodontians
E)amphibians


A

Environmental & Atmospheric Sciences

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a. carbohydrates b. proteins c. chlorophyll d. enzymes e. nucleic acids

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A. a dominant orientation of crystals, such as mica B. crystals that grow in a random orientation C. flattened shapes of deformed objects, such as pebbles D. light- and dark-colored bands E. All of these choices are correct.

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In reference to military applications, the acronym SDI stands for _____ or "Star Wars"

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