Question

what is the life supporting gas and it's uses​

Answer 1

Answer:

Nitrogen is useful for nitrogen fixing bacteria that convert atmospheric nitrogen into plant-usable organic forms that the plants assimilate, and then animals eat those plants. Why is oxygen given preference as a life supporting gas when 80.5% of our air is nitrogen?

Answer 2

Answer:

Nitrogen is useful for nitrogen fixing bacteria that convert atmospheric nitrogen into plant-usable organic forms that the plants assimilate, and then animals eat those plants. Why is oxygen given preference as a life supporting gas when 80.5% of our air is nitrogen?

Explanation:

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