Question

dust smoke carbon dioxide make air tight breathing true or false​

Answer 1

Answer:

As carbon dioxide levels in a room increase, the gas starts crowding out the oxygen. Carbon dioxide is considered a simple asphyxiant because it reduces the amount of oxygen we absorb from each breath. If indoor carbon dioxide levels get too high (around 40,000 ppm), your life may be in danger.

Explanation:

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Answer 2

Answer:

Make Me Brainlist

Explanation:

When we take a breath, we pull air into our lungs that contains mostly nitrogen and oxygen. When we exhale, we breathe out mostly carbon dioxide.