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100 POINTS ANSWER NOW PLEASEEEE
Read the following passage:

The movement of tectonic plates buries a rock deep inside Earth. Intense heat and pressure change the mineral composition of the rock and transform it into Rock A. Rock A melts and comes out to the surface of Earth during a volcanic eruption. The molten rock cools rapidly to form Rock B.

Which statement is most likely correct?

Rock B may have fossils.
Rock A may have shiny, glassy surface.
Rock A is composed of layers of sediments.
Rock B has a fine grainy texture and small crystals.