The altitude messes with people and they aren't used to breathing the air
The answer is b because these factors can cause risks throughout your life and could impact to you and other people that are surrounding you.
Individuals should participate in Aerobic exercises to increase cardiovascular endurance. (There's more exercises than just running that can increase your cardiovascular endurance, aerobic is more of a group of activities that do such)
Answer:
It is located between Nepal and Tibet, an autonomous region of China.