Question

list any three human activities, which would lead to an increase in the carbon dioxide content of air...

Answer 1

HEY...

THREE HUMAN ACTIVITIES ARE....

1.BURNING OF FOSSILS FUELS.

2.DEFORESTATION.

3.SMOKE FROM INDUSTRIES.

4.INDUSTRILIZATION.

Answer 2

1. Burning of fuels in various process like heating cooking transportation and industry.

2. Human induced forest fires.

3. the process of deforestation include cutting down of trees. this decrease the update of carbon dioxide for photosynthesis eventually the content of carbon dioxide increase.