Which of the following tests can best you classify a rock as sedimentary, metamorphic, or igneous?

a) pour acid on it and see if it bubbles
b) examine it’s layers, texture, and color
c) hold a light to it and examine its luster
d) examine it’s streak color

The answer is A

If this a multiple answer question the answers would be A and B

 Option B

Explanation: The classification of rocks is done by studying about the texture, color and layers.

The texture of the rock can be defined as the minerals grains that constitute to form a rock. The grain vary in size and shape.

The color of different rocks differ and layers also differ based on the type of rock.

As the composition of metamorphic, sedimentary and igneous rock are different, their texture, color and size do differ. By examining these factors rocks can be differentiated.

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