1. a line or plane that touches but does not intersect a curve or surface at a point so that it is closer to the curve or surface in the vicinity of the point than any other line or plane drawn through the point. 2.
Written by YeSeul Kim, Erika Granger, Katie Puckett, Cankutan Hasar, and Leif Francel. Definition. Climate Change. Climate change is any substantial change in Earthâs climate that lasts for an extended period of time. Global warming refers to climate change that causes an increase in the average temperature of the lower atmosphere. Global warming can have many different causes, but it is most commonly associated with human interference, specifically the release of excessive amounts of greenhouse gases. (EPA, 2006)
Report Abuse. 1  Global Warming Yahoo Answers. Source(s): https://shorte.im/a8Ilf. 2  Global warming is the term used to describe a gradual increase in the average temperature of the Earth's atmosphere and its oceans, a change that is believed to be permanently changing the Earthâs climate forever.