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Chemistry 7 Online
OpenStudy (anonymous):

why is crude oil non renewable

OpenStudy (anonymous):

crudeOil is considered a nonrenewable resource because it cannot be replenished on a human timeframe.

OpenStudy (anonymous):

how is the fact @proud ?

OpenStudy (anonymous):

I don't know , im doing chemistry its hard

OpenStudy (anonymous):

may i help you to make it easy?@proud

OpenStudy (anonymous):

@proud

OpenStudy (anonymous):

yeah ofcousre , the next question says name two useful substances made by cracking

OpenStudy (anonymous):

Mg and Na

OpenStudy (anonymous):

and what is its name , not the chemical formula the name

OpenStudy (anonymous):

magnesium and sodium

OpenStudy (anonymous):

are you sure

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