Explain the fermentation of surgars by the action of yeasy

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Reference no: EM13221365

1) The increased in temp of the surface of the earth due to heat absorbs by gases in the atmospher is called

a) radiation
b) the hydrogen cell
c) the greenhouse effect
e) none of these
c) coal

2) A chemical reaxction that absorbs heat from the surrounding is said to be

a) exothermic
b) endothermic
c) bipolar

3) A fuel with the potential to supplement if not replace gasoline, formed from the fermentation of surgars by the action of yeasy is called

a) natural gas
b) coal
c) ethanol
d) smog
e) none of these

Reference no: EM13221365

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