What is it called when heat and pressure change one type of rock into another?

1. What is it called when heat and pressure change one type of rock into another?

metamorphism
2. What is the theory that Earth's surface is composed of several rock plates that fit together like the pieces of a puzzle?
plate tectonics
3. Which mineral could have been deposited by black smokers on the seafloor?
Iron sulfide
4. What does discovery of giant rabbit fossils on an island in the Mediterranean Sea tell scientists about the Earth's changing landforms?
The island had to be connected to the mainland in the past.

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