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Biology 9 Online
OpenStudy (anonymous):

What is the current greatest threat to agricultural sustainability? a. erosion b. water pollution c. air quality d. all of the above

OpenStudy (anonymous):

please help

OpenStudy (anonymous):

Okay, this should be easy. What do you think the answer is @RyanLauton?

OpenStudy (anonymous):

The answer you are looking for is Erosion :)

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