means layers of rock

cracks in the Earth's surface where lava comes out are called

large sections of the Earth's crust

piles of broken boudlers, rocks, and soil at the bottom of a mountain

a slow-moving river of ice

the breaking-down of rocks or soil from wind, water, and ice

the top layer on the surface of the Earth

a safe place away from danger or elements of weather

means hardly; slightly; by only a little bit

a kind of degree that is much beyond what is average or normal; extraordinary

an explosion or outburst because of pressure