"loss of biodiversity" is the same as "lost to deforestation" right?? im french so i just want to be sure my english is correct. lol

No, they are not the same. Deforestation is just one form of biodiversity.

oh okay then would it be "decreased economic growth" m. sue?

What are all of your choices?

A.decreased economic growth

B.loss of biodiversity
C.addition of new habitats
D.increased tourism

Ah -- now I see the entire question and answers. B is right.

thankyou ms. sue!

You're welcome, lulu.