Some Studies Suggest That Increased Burning of Canada's Northern Boreal

Some studies suggest that increased burning of Canada's northern boreal forest may lead to ________.

A) more carbon sequestration.
B) more CO₂ released,which in turn may lead to a cooling effect.
C) more cooling as more Sun will be reflected by the snow during the winter months.
D) more cooling as the greenhouse gases build up in the atmosphere.