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Biology 7 Online
OpenStudy (zairahernandez):

Which of the following is not a possible cause for air pollution? a. volcanoes b. industry c. combustion d. none of the above Im Thinking B ?

OpenStudy (abhisar):

All of them are cause to air pollution.

OpenStudy (anonymous):

i think none of the above

OpenStudy (anonymous):

always gotta beat me to the answer lol

OpenStudy (zairahernandez):

Hahahh Cx Competition is realll CX ITS GETTING REALLL Thanks guys

OpenStudy (anonymous):

no problem cutie

OpenStudy (zairahernandez):

Ohh LOL /.\

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