Question

which of the following is not changed when a rock goes through metamorphism? types of minerals size and type of crystals density of the rock hardness of the rock

Explanation:

Metamorphism can change the types of minerals as new minerals form under high - temperature and pressure. It can also change the size and type of crystals, density, and hardness. But the chemical elements that make up the rock remain the same, and among the given options, the types of minerals are not always unchanged as new minerals can form during metamorphism.

Answer:

types of minerals