Earthquakes and tsunamis are caused by pressure building up in the Earth's crust along the intersection of tectonic plates, while tornadoes are created by updrafts and downdrafts interacting with wind.
The largest canyons and deepest valleys were created by moving water.
Answer:
Option: clearing the land to raise crops.
Explanation:
Agriculture first to practice by Neolithic people who shifted from hunting-gathering. During the Neolithic Age, humans invented new tools for farming that helped them to plough the land and clear unwanted weeds and plants. The cultivation included crops of wild which transformed into domestic. As they indulged in agriculture, they began living in one place rather than moving from one place to another in search of food. Animals were also domesticated who served them as companionship in the wild surrounding and food for survival.
