Compare the oxygen consumption of a sprinter and a marathon runner pls give accurate answer
and answer it quickly.

A sprinter consumes more oxygen than a marathon runner.

Explanation:

A sprinter requires big amounts of air in a short time to not get tired as fast and run faster. A marathon runner has more controlled and paced breathing so he does not get tired but can run long distances. Marathon runners also run slower than sprinters.

c- cold periods in earth's history during which glaciers covered much of the surface.

explanation:

i believe it is-

d.) gravity pulled particles of dust and gas together to form planets.