Question

A foliated metamorphic rock forms when crystals A. combine but do not form bands. B. combine and form visible bands. C. become less compact. D. align themselves parallel to the direction of the forces acting on them.

Answer 1

The answer you are looking for is B.

Combine and form visible bands

Answer 2

A foliated metamorphic rock forms when crystals combine and form visible bands so the answer would be option B.
Hope this helps!