The environment is always changing Caused by two reasons: 1) Man is a social change for the benefit of themselves more than anything else, like a fish in the spawning season. Illegal deforestation Or to use farmland emissions from factories making. Environment protection 2) Natural environment Natural environment Most of the changes slowly, like river-borne sediment to cover flooding. The erosion of soil. Which causes Earthquakes Volcanic Floods and storms, forest fires, natural disasters, etc., will not happen often.
การแปล กรุณารอสักครู่..