Ko te ngāwherewhere haere o te whenua me te kawenga atu o ngā maramara oneone, maramara toka ki wāhi kē. Mā te mahi a te hau, mā te wai (te awa, te moana rānei), mā te awa kōpaka, mā te mahi a te tangata, a te kararehe rānei e hua mai ai te ngāhorohoro.
The breakdown of the Earth’s surface and transport of fragments of soil and rock to another location. Erosion can be caused by the action of wind, water (river and sea) and glaciers, or by the actions of people or animals.
ngāhorohoro - fall off bit by bit
He aha te mahi a te tangata e nui ai te ngāhorohoro i ētahi wāhi?
Tirohia te whenua ka tohu ai i ngā wāhi ngāhorohoro.
Nā te papaki mai o ngā ngaru ka hua mai ai te ngāhorohoro i te takutai moana.