Answer: D. their activities lead to deforestation of Amazon rainforests
Step-by-step explanation:
The Amazon rainforest has been greatly destroyed. One factor that caused this is deforestation. This was as a result of the people especially around Columbia, Brazil, Peru, Colombia, etc. who cut down trees for their own uses.
Ranchers too contribute to the destroy of the Amazon forest as rainforest were cut down in order to be used for cattle pasture.
Therefore, the correct option is D.