why are carbon dioxide concentrations expected to increase?\na. carbon dioxide concentrations are expected…

why are carbon dioxide concentrations expected to increase?\na. carbon dioxide concentrations are expected to increase, because fossil fuel burning is expected to increase.\nb. carbon dioxide concentrations are expected to increase, because of an increase in agriculture.\nc. carbon dioxide concentrations are expected to increase, because more land will have to be cleared for increasing populations and agricultural use.\nd. all of the above\nplease select the best answer from the choices provided\na\nb\nc\nd

why are carbon dioxide concentrations expected to increase?\na. carbon dioxide concentrations are expected to increase, because fossil fuel burning is expected to increase.\nb. carbon dioxide concentrations are expected to increase, because of an increase in agriculture.\nc. carbon dioxide concentrations are expected to increase, because more land will have to be cleared for increasing populations and agricultural use.\nd. all of the above\nplease select the best answer from the choices provided\na\nb\nc\nd

Answer

Answer:

D. All of the above

Brief Explanations:

Fossil - fuel burning releases CO₂. Agriculture has processes like rice - paddy cultivation and livestock raising that emit CO₂. Land - clearing for population and agriculture also releases stored carbon as CO₂.