15. During the summer in Mesopotamia, A. high humidity kept people indoors
B. melting snow led to flooding
C. snow sometimes fell
D. water was scarce

Texas’ gulf coastal plains are the western extension of the coastal plain extending from the atlantic ocean to beyond the rio grande. its characteristic rolling to hilly surface covered with a heavy growth of pine and hardwoods extends into east texas. in the increasingly arid west, however, its forests become secondary in nature, consisting largely of post oaks and, farther west, prairies and brushlands.

Sometimes but itt depends, their is a lot if drugs on campus too so you really can't just say that