Answer:
(c.) conservation tillage
Step-by-step explanation:
Not A: If we increase groundwater pumping then it cause a reduction in rivers,
Not B: Fossil fuel use will just increase Global warming,
Yes C: I we do conservation tillage, then it will cause less soil erosion and save our water.
Not D: Increasing pesticide use hurts our planet due to the harsh amount of toxic that has and how we have seen in history tht has affected us.
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