15 points and (This question do not for Beginner) Please help me! 1. How do metamorphic and igneous rocks become sedimentary rocks?

2. Where does the energy for high temperatures and pressures come from?

3. Where does the energy for melting come from?

1.  Igneous rock forms when magma cools and makes crystals.

2. Below the earths surface (Geothermal energy)

3. Geothermal energy

Explanation:

hope this helps! :) <3

brainliest?

about 40,000,000 results (0.81 seconds)  

search results

what do the different brain waves do?

explanation:

brainwaves are produced by synchronised electrical pulses from masses of neurons communicating with each other. brainwaves are detected using sensors placed on the scalp. brainwave speed is measured in hertz (cycles per second) and they are divided into bands delineating slow, moderate, and fast waves.