One way to determine if a rock sample is metamorphic is by: a.
finding fossil evidence
c.
noting a crystalline structure in its particles
b.
noticing light and dark color bands
d.
all of the above

C

Explanation:

Question:

One way to determine if a rock sample is metamorphic is by

C

Notes:When rock changes into metamorphic rock, its appearance, texture, crystal structure, and mineral content change.

the answer is c) an oak tree

true, i don't really know what you're asking but from the info you provided im guessing the answer is true.