Glacier because ice sheet and stuff and science ill explain more in the comments
Answer:
based on the graph the most common gas in the atmosphere would be nitrogen
Answe
Explanation:
Excersice increases the cardiac and skeletal muscels strenght for maximum oxygen consumption for energy output.
It lowers the blood pressure and in prove RBC count for oxygen transportation and distribution.
It cut down risk of osteoporosis, by stimulating bone growth.
I believe the answer to this would be A. True