What is the function of the structure shown in the diagram

Blood has traveled from the heart to the toes. which describes the next step of the circulation process?

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