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marin [14]
4 years ago
6

Helpppppp meeeee plzzzz

Physics
2 answers:
Elza [17]4 years ago
7 0
(19 is 4) and (20 is 3).hope this works.
pychu [463]4 years ago
3 0
19) 4. Gas prices are increasing, but ethanol is made from corn, something fairly cheap.

20) 3. It also releases CO2 (carbon dioxide) like gasoline.

Hope this helped!
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