If we go to the Himalayas, we feel breathless because:
Q1. If we go to the Himalayas, we feel breathless because:
Answer: The density of air is much less on the hills, so oxygen content is reduced
Explanation: The density of air is much less on the hills, so oxygen content is reduced is the scientifically accurate choice. The concept tested here is core everyday science for MDCAT, ECAT, and general ability papers.