Your answer would be B ¨increased soil fertility¨
Answer:
The main reason for exhalation is to rid the body of carbon dioxide, which is the waste product of gas exchange in humans. Air is brought in the body through inhalation. During this process air is taken in through the lungs.
Answer:
Pretty sure it's A because people can redo this test as many times as needed to verify the answer.
Is less dense than cold water, and has lower salinity than cold water.
