About How Much CO₂ comes Out of the Stack of a Coal-

About how much CO₂ comes out of the stack of a coal- burning plant that consumes one ton of coal?

A) None, because the CO² is precipitated as a solid.
B) Anywhere from 1 ton to about 10 tons, depending on the design of the plant.
C) About 3 tons.
D) Much less than one ton.
E) About 1 ton.