How do chemical sedimentary rocks form?
Options: heat and pressure, evaporation of shallow sea water, layering of fossil sediments, colliding mountains.
The answer is evaporation of shallow sea water.
Gneiss is a metamorphic rock that is formed when granite is subjected to extreme heat and pressure. This occurs in when:
Options: shallow seas evaporate mountains, collide fossil sediments form layers, magma cools and hardens underground
The answer is magma cools and hardens underground.