Which of the following statements is due to the high levels of oxygen in the present atmosphere of the Earth?
A) The high level benefits mammals which have a high rate of metabolism
B) The high level leads to high levels of carbon dioxide in the atmosphere
C) The high level benefits plant photosynthesis
D) The high level leads to transmission of ultraviolet light through the atmosphere
E) The high level suppresses cloud formation

Question

Quizplus · Accepted Answer

High levels of oxygen in the atmosphere support the high metabolic rates of mammals, which require efficient oxygen exchange for energy production.

Which of the Following Statements Is Due to the High