Which of the following is not an important reason to reduce deforestation in the amazon rainforest?
a. the rainforest is home to more than half a million indigenous peoples.
b. deforestationincreases biodiversity.
c. deforestation may contribute to global warming.
d. rainforests release water back into the atmosphere?

b. deforestation increases biodiversity.

Deforestation is a process of cutting down of trees and removal of floral species from a forest area, so as to obtain the land, use the dead trees as source of timber, medicine and other resource. It is likely to reduce the biodiversity of the forest as the floral species are removed this will lead to the decrease in abundance, migration and extinction of the faunal species like insects, birds and animals from the forest.

On the basis of the above information, it can be concluded that deforestation increases biodiversity is not an important reason to reduce deforestation in the amazon rainforest. As, the deforestation is likely to reduce biodiversity from the amazon rainforest.  

layer 3 is younger than layer 6.