Select the correct answer.

What have farmers in the Amazon River Basin found to be the cause of reductions in the soil's fertility?

A. The scarcity of tractors and modern farm equipment
B. Constant intervention on the part of environmental groups
C. A lack of effort to farm the land
D. The removal of native plants



Answer :

Final answer:

Farmers in the Amazon River Basin have found that the removal of native plants is causing reductions in soil fertility.


Explanation:

Farmers in the Amazon River Basin have found the removal of native plants to be the cause of reductions in soil fertility. When cleared forests are replaced with industrial agriculture or other operations, the soil fertility declines, leading to nutrient-poor soils. Additionally, replanting areas more frequently due to various factors further exacerbates the issue.


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