This paper uses concoated chemicals on the backside of one sheet that react with a chemical on the front of the adjacent sheet to give color. What is the type of paper?

This paper uses concoated chemicals on the backside of one sheet that

1.	This paper uses concoated chemicals on the backside of one sheet that react with a chemical on the front of the adjacent sheet to give color. What is the type of paper?
A.	a)Sulfurless paper
B.	b)Carbonless paper
C.	Hydrogenless paper
D.	d)Oxygenless paper
Answer» C.