Rainforest deforestation is contributing to
a)
a decline in global biodiversity
b)
the reduction of greenhouse gases
c)
increased soil moisture
d)
increased drug discoveries
e)
an increase in forest cover

Rainforest deforestation is contributing to decline in global biodiversity.

Explanation:

Deforestation can be defined permanent destruction of forests so as to make the land available for other uses. It can also be described as clearing and cutting of forest. Trees play an important role in the rainforest. Deforestation is the biggest threat to forest.