Clean Coal Technologies Include All of the Following Except

Multiple Choice

Clean coal technologies include all of the following except

A) scrubbers that clean power plants' exhaust.
B) face masks that protect the health of miners.
C) the capture of CO2 before it can be emitted.
D) the use of higher-grade coal (anthracite) to produce fewer pollutants per unit of heat.
E) fluidized-bed combustion to neutralize acidic compounds produced during combustion.