Welcome to WikiProject Geology, a collaboration area and group of editors dedicated to improving Wikipedia's coverage of geology.For more information on WikiProjects in general, please see Wikipedia:WikiProject and the Guide to WikiProjects.. Goals. The scope of WikiProject Geology is all articles in the Category:Geology.Our particular interests are core Geology …

In the past, a common time measuring instrument was the sundial.Today, the usual measuring instruments for time are clocks and watches.For highly accurate measurement of time an atomic clock is used. Stop watches are also used to measure time in some sports.

Soil erosion is the denudation of the upper layer of soil.It is a form of soil degradation.This natural process is caused by the dynamic activity of erosive agents, that is, water, ice (glaciers), snow, air (wind), plants, and animals (including humans).In accordance with these agents, erosion is sometimes divided into water erosion, glacial erosion, snow erosion, wind (aeolean) erosion ...