Answer:
A landform is a feature on the Earth's surface that is part of the terrain. 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.
Gases, too much carbon dioxide being lifted in the air. Factories, waste and waste in water. Hope this helps.
Scandium is a chemical element so you cannot eat scandium
Hair cells bend toward the kinocilium, so yeah, have fun