Question

Do we exhale only carbon di oxide or a mixture of gases along with it​

Answer 1

Answer:

YES , we exhale carbondioxide and mixture of gases..

Explanation:

                                                                                                         HOPE IT HELPED.

Answer 2

Answer:

When we exhale, the composition of the air remains almost the same as the air we inhale, only the percentage of carbon dioxide and oxygen changes. The amount of inhaled air contains 21% of oxygen and 0.04% of carbon dioxide, while the air we breathe out contains 16.4% of oxygen and 4.4% of carbon dioxide.