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Weathering is the breakdown of rocks in situ through exposure to the elements.
Biotic weathering is one of three forms of weathering that can affect many types of rocks/stones. Many number of factors assist with 'Biotic' weathering, such as; plants an animals through the release of acids.
Trees themselves as we know breath in Co2 and release oxygen but they also release acids which, overtime have a very large affect on rocks. Take a cemetery for example, you will find the grave/headstones under trees and next to bushes will weather differently to the ones that are placed further away from.
Animals play a big part in biotic weathering, through means of fouling. this includes, poo, wee, and animal remains. Each of these can affect the structural integrity of the stone as well as the aesthetics and overall appearance.
Another form of biotic/biological weathering is the growth of Lichen and Mosses. these grow over a very long period of time and can eat away at the stone underneath.
Lichen unlike mosses can sometimes be held under a protection order and if removed with out the proper consent can lead to prosecution.
What else can I help you with?
What most common cause of chemical weathering?
The most common cause of chemical weathering is oxygen
What is most common cause of chemical weathering?
The most common cause of chemical weathering is oxygen
Do acids cause mechanical weathering?
No, acids cause chemical weathering.
Is water a cause of physical weathering or chemical weathering?
It is a cause of both.
What of these does not cause physical weathering?
Chemical weathering does not cause physical weathering. Chemical weathering refers to the breakdown of rocks through chemical reactions, while physical weathering is the process of breaking down rocks into smaller pieces without changing their chemical composition.
What gas causes chemical weathering?
Oxygen is the major gas that is the cause chemical weathering.
What types of weathering that does not cause chemical changes?
mechanical weathering
Are plants a factor in mechanical or chemical weathering?
mechanical
What can cause chemical weathering?
Acid precipitation
Acids and growth of plants' root cause which type of weathering?
chemical weathering
Does chemical weathering cause a break down in the color and size of rocks?
Chemical weathering breaks down rocks
What contribute to mechanical and chemical weathering?
Mechanical weathering includes abrading or crushing. Chemical weathering includes dissolution in water or acid rain. Oxidation and reduction reactions can also cause chemical weathering.
