Question

Why are carbon dioxide concentrations expected to increase?
a.
Carbon dioxide concentrations are expected to increase, because fossil fuel burning is expected to increase.
b.
Carbon dioxide concentrations are expected to increase, because of an increase in agriculture.
c.
Carbon dioxide concentrations are expected to increase, because more land will have to be cleared for increasing populations and agricultural use.
d.
All of the above

Answer 1

The correct option is D.
Over the past decades, the concentration of carbon dioxide in the atmosphere has increased greatly as a result of human activities. The major human activity that contributes to increase in the concentration of atmospheric carbon dioxide is the burning of fossil fuels. Carbon dioxide concentrations in the atmosphere are still expected to rise due to fossil fuel burning and clearing of farm land in agriculture.

Answer 2

Answer: The answer is D. All of the above

Explanation: edge 2021