daja999
daja999
01-03-2017
Biology
contestada
need help please.......
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StarArt101
StarArt101
01-03-2017
Definitely not A, and most like not D either.
Answer Link
lacie2
lacie2
01-03-2017
The answer is B. Mechanical is movement. Combustion is like catching fire>heat.
Answer Link
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