Which of the following best explains the role of deep sea coral reefs in the environment

Compare and contrast region e in the illustration above with region d. describe the physical characteristics of each region.

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

Adistinctive characteristic of mammals that is not observed in other vertebrates is