Respuesta :
Answer:
Minerals form when rocks are heated enough that atoms of different elements can move around and join into different molecules. Minerals are deposited from salty water solutions on Earth's surface and underground.
Mining
The primary methods used to extract minerals from the ground are: Underground mining. Surface (open pit) mining. Placer mining.
The primary methods used to extract minerals from the ground are: Underground mining. Surface (open pit) mining. Placer mining.