Discover the answers to your questions at Westonci.ca, where experts share their knowledge and insights with you. Explore a wealth of knowledge from professionals across various disciplines on our comprehensive Q&A platform. Get detailed and accurate answers to your questions from a dedicated community of experts on our Q&A platform.

20. Reduction of one's ability to exercise or perform work begins at the high altitude of
a. 3, 0 feet above sea level.
b. 3,500 feet above sea level.
C. 4,000 feet above sea level.
d. 5,000 feet above sea level.


Sagot :

The answer is d.5000 because you say high level