The answer is: [C]: Alaska, Texas, Montana, and Idaho .
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D the downhill flow of soil and rock results from Gravity
Answer:
please mark as brainliest answer as it will also give you 3 points
The correct answer is A
The amount of crop output from a given area of planted land
Answer:If you plant the same crop in the same place each year zaps nutrients from the earth and leaves soil weak and unable to support healthy plant growth. ... The effects of mono cropping on the environment are severe when pesticides and fertilizers make their way into ground water or become airborne, creating pollution.
Explanation:
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