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What common mineral is resistant to both physical and chemical weathering?
Quartz is a common mineral that is resistant to both physical and chemical weathering. Its hardness and lack of cleavage make it more durable under mechanical forces, while its chemical composition is less reactive to chemical weathering processes.
What is the difference between physical and chemical weathering change?
Physical weathering involves the breakdown of rocks into smaller pieces without changing their chemical composition, such as through freeze-thaw cycles or abrasion. Chemical weathering, on the other hand, alters the chemical composition of rocks through processes like oxidation or hydration, leading to the formation of new minerals.
What occurs during the weathering process?
There are 2 main processes of weathering, mechanical weathering and chemical weathering. In both processes the rocks are broken down. In the mechanical weathering process the rocks are simply made smaller. they are the same composition, just smaller pieces. In the process of chemical weathering the minerals in the rocks undergo a chemical change, they break down. This break down of minerals make them easier to erode. But, erosion is a different question.
What are non-examples of mechanical weathering?
Mechanical weathering is physical changes that break down and/or cracks the rock, such as ice wedging, temperature changes, root growth, or animal activity. Chemical weathering is a chemical change that changes the chemicals of the substance to make a new one. Examples of chemical weathering include oxidation, acid rain, hydration, and carbonation.
Which substance is most resistance to weathering?
give example of a real life situation where a substance's resisrance to weathering might make a difference
What is the diffence between chemical weathering and physical weathering?
Chemical and biological weathering are different because: a) biological weathering - this means that if a seed of a plant gets coincidentally deposited in a crack in a rock, if it is humid enough, the see will grow. it's roots will spread out and eventually break the rock. b) chemical weathering - this means that chemicals in rain/acid rain weathers away the rock.
How do you make a crack rock bigger?
chemical weathering.
What are the cuases of chemical weathering?
two or more chemicals' mix to make a new chemical
What type of weathering would sanding a rough board to make shelves be?
Mechanical weathering, as sanding physically breaks down the rough surfaces of the board without altering its chemical composition.
What are the effects of weathering on rocks?
Weathering breaks down rocks into smaller pieces through physical or chemical processes. Physical weathering involves the breaking of rocks into smaller fragments through factors such as temperature changes, frost action, and pressure. Chemical weathering alters the composition of rocks through processes like oxidation, hydration, and dissolution. Overall, weathering contributes to the gradual disintegration and erosion of rocks over time.
How does chemical weathering make it easy for mechanical weathering to occur?
because the rat ate the rat and ate itself
Can physical weathering make a rock bigger?
Physical weathering is mechanical action which typically erodes rock faces. This invariably results in a smaller rock. Chemical weathering involves water absorption or other reactions. Mechanical heating and freezing can crack and fissure the rock, slightly increasing its size. In general, physical weathering is an abrading process, whether via water born sediment wearing away the rock, or wind blown particles sand blasting the rock, and these actions make reduce the rock's size.
