Mixed with an equal part of water, ethylene glycol, a

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A

B

C

D

E

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Mixed with an equal part of water, ethylene glycol, a compound commonly used as an automotive antifreeze, is effective at temperatures as low as -30 degrees Fahrenheit.
A. temperatures as low
B. temperatures so low
C. as low temperatures
D. as few
E. as little

OA A

Source: GMAT Prep