Light travels faster in

A. cool air.
B. warm air.
C. a vacuum.
D. none of the above


Answer: C

Environmental & Atmospheric Sciences

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The scientific process states that:

a) we observe then hypothesize b) we create laws that we then find data to fit c) we conclude from observations to form theories d) we make shit up e) none of these

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Discuss the development of early vertebrates into advanced fish and, finally, into amphibians. What body changes

were required to accomplish this move from the marine environment to land? What will be an ideal response?

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Precipitation preferentially forms on the upwind side of a mountain range

Indicate whether the statement is true or false

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