Seperating a solid for a liquid by evaporating the liquid is

What type of reaction fuels the processes seen here?

How does carbon monoxide pose the greatest threat to humans? a. it can be produced by wood fires. b. it can be produced by home furnaces. c. it is produced by acid rain. d. it is produced by modern automobiles.

What two categories of toxins were present in the air at dish,texas as a result of the gas pipelines that pass through the area