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Biology 10 Online
OpenStudy (anonymous):

the sulfur and nitrogen compounds in smog combine with water to form

OpenStudy (anonymous):

It creates ozone gas

OpenStudy (anonymous):

acid rain

OpenStudy (anonymous):

yeah jk its acid raion sorry

OpenStudy (anonymous):

rain*

OpenStudy (anonymous):

lol....

OpenStudy (anonymous):

By preserving hot spots, ecologists hope to protect species in danger of extinction due to

OpenStudy (anonymous):

human activity

OpenStudy (anonymous):

ya human activity

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