A "barrel" is a unit of liquid measure equivalent to __________.

A
40 U.S. gallons at 50°F
B
42 U.S. gallons at 60°F
C
43 U.S. gallons at 65°F
D
45 U.S. gallons at 75°F
E

Cevap ve Açıklama

Doğru cevap: B) 42 U.S. gallons at 60°F

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