General Science第 69 / 120 题
At what temperature does pure water freeze at sea level, in degrees Celsius?
a.0 degrees
b.32 degrees
c.100 degrees
d.-10 degrees
解析
Pure water freezes at 0 degrees Celsius at standard sea-level pressure. That same point is 32 degrees on the Fahrenheit scale, while water boils at 100 degrees Celsius.
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