The addition of a small amount of ___________ to H2O may actually reduce friction compared to H2O alone.

The addition of a small amount of ___________ to H2O may actually red

1.	The addition of a small amount of ___________ to H2O may actually reduce friction compared to H2O alone.
A.	Pulp
B.	Lignin
C.	Fiber
D.	Polymer
Answer» D. Polymer