What is it called when heat and pressure change one type of rock into another?(1 point)
deposition
crystallization
erosion
metamorphism
metamorphism
What is the theory that Earth's surface is composed of several rock plates that fit together like the pieces of a puzzle?(1 point)
geological shift
plate tectonics
metamorphism
divergent plate boundary
plate tectonics
The process in which heat and pressure change one type of rock into another is called metamorphism.
To arrive at this answer, we need to understand the different geological processes mentioned in the question and their definitions.
1. Deposition: This refers to the process of sediment being laid down or deposited by water, wind, or ice, leading to the formation of sedimentary rocks. It does not involve the transformation of one rock type into another due to heat and pressure.
2. Crystallization: This process describes the formation of crystals from a solution, usually in a cooling magma or from a supersaturated solution. Crystallization is not directly associated with the transformation of one rock type into another.
3. Erosion: Erosion involves the movement and transport of sediment by natural agents such as water, wind, or ice. It breaks down rocks and wears them away, but it does not lead to the transformation of rocks through heat and pressure.
4. Metamorphism: This process occurs when existing rocks undergo changes in mineral composition, texture, and structure due to heat and/or pressure. The original rock, known as the protolith, is transformed into a new rock type. Metamorphism often occurs deep below the surface of the Earth.
Given the explanations, the correct answer is metamorphism.