Most of the excessive carbon dioxide that is expected to cause global warming is generated by
A)green plants.
B)burning of fossil fuels.
C)production of cement and clearing of forests.
D)All of these are correct.
E)burning of fossil fuels and production of cement and clearing of forests only.

Question

Quizplus · Accepted Answer

The primary sources of excessive carbon dioxide contributing to global warming are the burning of fossil fuels and the production of cement, along with deforestation. Green plants, on the other hand, absorb CO2.

Most of the Excessive Carbon Dioxide That Is Expected to Cause