What is the expansion ratio of propane?

a. 270:1
b. 1150:1
c. 60:1
d. 1700:1


Ans: a. 270:1

Environmental & Atmospheric Sciences

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On this map, identify the letter that is over the Pacific Ocean.



A) A
B) B
C) C
D) D
E) Feature is not labeled.

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Why do many health organizations call for local exceptions to the ban on DDT?

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