Question

what are the two main types of mining? underwater mining and open - pit mining placer mining and strip mining subsurface mining and surface mining human mining and animal mining

Explanation:

Mining is generally classified into subsurface (under - ground) and surface mining based on the location of the ore body. Subsurface mining is used when the ore is deep - seated, and surface mining is for ore deposits near the surface.

Answer:

subsurface mining and surface mining