Why are rain forests important to the world? (more than one answer) a)species found in the rain forest have been used for medical purposes. b)rain forests are the natural habitat for 30 percent of the world's plant and animal species. c)rain forests are a valuable food source for the world. d)rain forests increase greenhouse gases.

I think it's B yea B is the answer i think 

Except common history

Answer(12) judaism; ans(11) all of the above; //ans(10) islands that are artificially created; //ans(9) people accept that the caste system keeps order in society and prevent chaos; ///ans(8),brahman; ans(7) the sikhns; ///ans(6); the non-cooperation movement; asn(5)sporadically grant congressional requests; /ans(4) all of the above; ///ans(3) true; //ans(2) true; //ans(1) false;