GENERAL GEOLOGY

Detailed explanation-1: -Physical, or mechanical, weathering happens when rock is broken through the force of another substance on the rock such as ice, running water, wind, rapid heating/cooling, or plant growth. Chemical weathering occurs when reactions between rock and another substance dissolve the rock, causing parts of it to fall away.

Detailed explanation-2: -Weathering describes the breaking down or dissolving of rocks and minerals on the surface of the Earth. Water, ice, acids, salts, plants, animals, and changes in temperature are all agents of weathering. Once a rock has been broken down, a process called erosion transports the bits of rock and mineral away.

Detailed explanation-3: -This is the decomposition of rocks due to chemical reactions occurring between the minerals in rocks and the environment. The examples below illustrate chemical weathering. Water, and many chemical compounds found in water, is the main agent of chemical weathering.

Detailed explanation-4: -Weathering is the process of disintegration (physical) and decomposition (chemical)of rocks. Weathering is a process of breaking down rocks into small particles suchas sand, clay, gravel and other fragments. There are two types of weathering:mechanical weathering and chemical weathering.

Detailed explanation-5: -Three agents of physical weathering that can cause abrasion are moving water, wind and gravity. Also Rocks suspended in the ice of a glacier can cause abrasion of other rock on earths surface. And moving water rocks can become rounded and smooth.