Question

What has raised the percentage of carbondioxide in exhaled air in humanbeings?.​

Answer 1

Explanation:

Deforestation is one of the biggest reason for the increase in greenhouse gases. Burning of fossil fuels is another big reason for the increase in fossil fuels. Volcanoes are another natural reason for the increase in the greenhouse gases.

Answer 2

Answer:

Green House effect has raises the Percentage Of CO2 In Exhaled Air of Human beings