Question

Which of these processes produces carbon dioxide?

a.photosynthesis
b.burning of fossil fuels
c.animal perspiration
d.planting trees

Answer 1

b.burning of fossil fuels

Answer 2

b.burning of fossil fuels

Step-by-step explanation:

Burning fossil fuels has been considered controversial since it produces tons and tons of CO2 and CO2 is considered a green house gas which is contributing to climate change.

Photosynthesis and planting trees actually sucks Carbon dioxide out of environment. Perspiration doesn't produce CO2.