A rock is a hard/solid material. Rocks are separated into different groups based off the minerals they have in them, the groups are metamorphic, igneous, and sedimentary. Rocks are formed by physical changes—such as melting, cooling, eroding, compacting, or deforming—that are part of the rock cycle.
hope this helps!
Answer:
land subsidence,sinkholes,freshwater contamination and having to dig deeper and deeper irrigation wells
He means its more then just what your genes give you its what you can overall think of
This is not a biology question this is a math question
