I'll give 50 pts and brainliest Briefly explain the different types of mining and the processes!!

Response is below

Explanation:

The different types of mining are underground, surface, placer, and in-situ. Underground mining uses various materials to excavate resources from beneath the surface of the Earth. Surface mining is a category of mining that in which soil and rock overlying the mineral deposit are removed. Placer mining is the mining of stream bed deposits for minerals. In-situ mining is a mining process used to recover minerals such as copper and uranium through boreholes drilled into a deposit.

c- cold periods in earth's history during which glaciers covered much of the surface.

explanation:

the answer is 75.0%.