In which structures of green plants does photosynthesis primarily take place?
a. roots
b. stems
c. leaves
d. flowers

When organisms are classified ,they are given a two part name

Melting glaciers is a serious threat to the environment what is the possible consequence of melting glaciers on polar bears?

When a person is exercising the body needs to deliver increased amounts of oxygen to the muscles which component of blood ensures that the muscles will receive it