As All Doctors & Health allied knows & taught in medical schools / colleges that Oxygen is a gas & necessary for health & carbon dioxide is produced gas in body that we exhale & in 100 % carbon dioxide environment no body can survive & in 100% of oxygen too. This is the cycle of life . Carbon dioxide is as important as it stimulate our brain centers to increase the respiratory rate or When no respiration in newborn child just after delivery of patient or child birth, it the blood gases level stimulate the brain respiratory centres to start coughing reflex & respiration.
Nature has given US lot oxygen to manage the carbon dioxide by providing us greenery / plants / CHLOROPHYLL for continuation of life. In the hills nature has give lot of trees to counter the effect of less oxygen in hills & to manage carbon dioxide to continue life cycle. Where no greenery nature has…