which zone is considered the aerobic zone for not only improving health, but also athletic conditioning by strengthening the cardiovascular and pulmonary systems of the body.

as resources become scarce because of population growth, the growth decreases after few years due to lack of resources and food.

and after water is usually warmed by the sun the water temperature raises and then evaporates .

1. b.

2. d.

3. a.

5. d.

6. c.

these are the only ones that i know, i hope this , and good luck.