The molecules of a gas at room temperature move at about

A) 1 km/hr. 0.27 m/s.
B) 10 km/hr. 2.7 m/s.
C) 150 km/hr. 40.5 m/s.
D) 500 m/s.


D

Environmental & Atmospheric Sciences

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Which of the following best describes human population growth from early times to the present day?

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Indicate whether the statement is true or false.

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