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Biology 20 Online
OpenStudy (anonymous):

Natural pollution includes _____. pesticides falling leaves disposable products smog

OpenStudy (shreehari499):

B and D

OpenStudy (anonymous):

i can choose only one

OpenStudy (abhisar):

D

OpenStudy (shreehari499):

yeah..D

OpenStudy (abhisar):

Fallen leaves are not a pollutant..they are biodegradable

OpenStudy (shreehari499):

Sorry..:(

OpenStudy (anonymous):

ok thnx @Abhisar

OpenStudy (anonymous):

its ok @shreehari499

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