Question

oxygen and carbon dioxide are prasent in nature but we cat breath only oxygen. why????​

Answer 1

Answer:

because there are many other air forms

Answer 2

Answer:

Air is important for living things

Breathing is part of a process called respiration. During respiration, a living thing takes in oxygen from the air and gives out carbon dioxide. This process gives animals and plants the energy to eat, grow, and live life!

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