question 7 of 13\nthe color of a powdered sample of a rock is called the rocks ___.\na. cleavage\nb…

question 7 of 13\nthe color of a powdered sample of a rock is called the rocks ___.\na. cleavage\nb. luster\nc. streak\nd. specific gravity
Answer
Brief Explanations:
The streak of a rock is the color of the powdered form of the rock when it is scratched across a porcelain plate (a streak - plate). Cleavage refers to the way a mineral breaks along flat planes. Luster is the way a mineral reflects light. Specific gravity is the ratio of the density of a substance to the density of water.
Answer:
C. streak