What is the main function of the circulatory system? A. making your eyes able to see

B. moving oxygen and nutrition to your cells and pulling waste away

C. bleeding if you are cut

Twind is considered to be an abiotic factor because it.?

Ecologist have observed a sharp increase of sulfur dioxide in the air . what might be a possible consequence of excessive sulfur dioxide in the air ? a. acid rain b. ozone layer depletion c.ozone layer hole d.increase in sea levels

Identify the examples in which sam interacts only with natural resources