Which of these is not an example of firearm identification?

Determining a .45 caliber round was fired from a Colt Magnum

Determining the shot that created a bullet hole came from 10 feet away at a 45° angle

Determining that there is gunpowder residue on a suspect's hands and shirt Determining that the victim has a conceal and carry permit

 C    Determining that there is gunpowder residue on a suspects hands and shirt

Explanation:

i took the test

sulfur dioxide

explanation: acid rain is caused by a chemical reaction that begins when compounds like sulfur dioxide and nitrogen oxides are released into the air. these substances can rise very high into the atmosphere, where they mix and react with water, oxygen, and other chemicals to form more acidic pollutants, known as acid rain.