Tectonic plate movement under the Earth can create landforms by pushing up mountains and hills. Erosion by water and wind can wear down land and create landforms like valleys and canyons.
Answer:
(in some cosmological theories) nonluminous material that is postulated to exist in space and that could take any of several forms including weakly interacting particles (cold dark matter) or high-energy randomly moving particles created soon after the Big Bang (hot dark matter).
Explanation:
Wouldn’t be able to have clean fresh water to drink and could get sick without it humans wouldn’t be able to stay warm without heat and indoor plumbing would allow a sanitary place to relive bodily functions
