During gas exchange, the cell membrane of a single-celled organism has the same function as which organ system in humans? 1)nervous

2)reproductive

3)digestive

4)respiratory

4) respiration

Explanation:

bc it allows energy to come in & waste out of the organism

hope dis helps

false because ozone (o3) depletion does not cause global warming, but both of these environmental problems have a common cause: human activities that release pollutants into the atmosphere altering it.

global warming is caused primarily by putting too much carbon dioxide into the atmosphere when coal, oil, and natural gas are burned to generate electricity or to run our cars.

explanation:

answer: blah

explanation:

bc blah