Name the factors affecting weathering.Explane them.
Answers
Explanation:
There are two factors that play in weathering, they are :- Temperature and Precipitation. Warm climates affect by chemical weathering while cold climates affect by physical weathering (particularly by frost action). In either case the weathering is more pronounced with more moisture content.
Explanation:
Factor # 1. Climate:
This is the most important factor affecting weathering of rocks. The extent of weathering is dependent on the average atmospheric condition prevailing in a region over a long period of time.
Factor # 2. Particle Size:
Rate of chemical weathering is affected by size of rock particles. If the rock pieces are smaller, the weathering is faster. This is because if the rock pieces are smaller, the surface area exposed to weather action is greater
Factor # 3. Exposure:
The extent of exposure i.e. the extent to which the rock comes into contact with the agents of weather is an important factor affecting the weathering. In some situations, vegetation, soil, ice, etc. may cover a rock, thereby reducing the area exposed to weather action.
Factor # 4. Mineral Composition:
We know, the chemical properties of a rock depend on the mineral composition to a great extent. Mineral in a rock may readily react with acids, water or oxygen causing considerable weathering.
Factor # 5. Time:
The process of weathering is a time taking process. The duration of time for which a rock is exposed to weather determines the extent of weathering. Very strong rocks, however strong they might be will severely undergo weathering in hundreds of years.