__________ pulps are of especially high opacity. Fillers tend to have high indices of refraction and provide interfaces for light scattering as well. The very high index of refraction of Ti2 allows thin papers to have high opacity as in the case of bible papers.

__________ pulps are of especially high opacity. Fillers tend to have

1.	__________ pulps are of especially high opacity. Fillers tend to have high indices of refraction and provide interfaces for light scattering as well. The very high index of refraction of Ti₂ allows thin papers to have high opacity as in the case of bible papers.
A.	tRosewood pulps
B.	tGroundwood pulps
C.	tRoughwood pulps
D.	tLignin-free wood pupls
Answer» C. tRoughwood pulps