Most of the earth's surface is covered with a) land. b) polar ice. c) salt water d) fresh water.

primary succession begins with a bare rock and ends with a forest secondary succession begins after a natural disaster where there is a temporary setback after a forest fire or local destruction, but the surrounding area can fill in

answer; the above statement is (true);

the answer to your question is b

no i don't feel that humans have oversubscribed some medications