Riddle

How much does a cubic foot of water weigh?

Choose an answer

A.10 lbs/cu ft
B.100 lbs/cu ft
C.1 lb/cu ft
D.~62 pounds
Hint: It's a word with 6 letters, starting with "~".

Answer

~62 pounds

Why this is the answer

Water density changes slightly with temperature; it is densest at 4°C.

This riddle is filed under Science Riddles and rated Hard.

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