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Water is a major component in weathering process. Its essential for all forms of disintegration either Mechanical/Physical, Biological or Chemical. Water aids in physical weathering through alternating wetting and drying of rocks thereby leading to breaking down of the rock. It helps in chemical weathering through dissolution of chemicals in rocks such as limestone. Water is a cause of both chemical and physical weathering.
the water will naturally wear away a surface by corrosion. but it could wear it away chemicaly by pollution and things of that sort
Physically, its hydraulic energy can erode, and chemically, by its ability to dissolve minerals.
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What are some physical examples of weathering and erosion?
There is freeze thaw action which mainly occurs in very cold climates(which reach below 0 degrees celsius). What happens is water gets into the cracks in the rocks during the day and feezes at night. Since water expands when it freezes is causes the crack to get bigger and bigger. This goes on and a section of the rock breaks off. Also there is insulation. this occurs in cliates like a desert where it is hot during the day and cold at night. The surface of the rock heats up and expands slightly during the day but cools down and cotracts slightly at night. This is repeated and layers of the rock begin to peel off like an onion. There is also another type called salt crystallization. This occurs in dry climates where the temperature averages 26 to 28 degrees. Any salt crystals in the rocks expands to almost 300% their orignal size and will break up the rock. Finally there is one called pressure release. During erosion rocks may be removed from on top of other rock. The rocks that were removed exerted some pressure on the rocks underneath and when they are removed the rocks expand causing cracks is the rock. These cracks can then be made larger by the other forms of weathering Abrasion {apex}
What aids in the weathering and transportation of rocks?
Very simply, rocks on the surface of the earth are weathered and eroded. The broken pieces are carried away, mostly by streams and rivers - this is transportation. When the river drops the pieces of rock, often when it reaches the sea, we have the material to start the formation of new sedimentary rocks. Weathering also exposes more older rock, so the processes continue.
What are China's three major rivers?
The Chang River (Yangtze River), The Huang River (Yellow River), and the Xi River.
The diverse physical features of land have immense future possibilities of development Why?
Physical features of land include such things as plains, hills, mountains, rivers, lakes, swamps, etc. Each of these can be developed in different ways. Perhaps you have a farm on the plains, a mine in the hills, a ski resort in the mountains, a fishing industry on the river, etc.
How can islation lead to formation of new species?
Allopatric Speciation (geographic isolation) can lead to the formation of a new species because the population is split in two smaller populations by a physical barrier (river, canyon, mountain...).
How can a river cause chemical weathering?
acidic water.
What is physical weathring and Chemical weathring?
Physical weathering is the process of breaking down rocks and minerals into smaller pieces through physical forces like temperature changes, water, ice, and wind. Chemical weathering involves the breakdown of rocks and minerals through chemical reactions, such as when minerals react with water, oxygen, or acids in the environment to form new minerals or dissolved substances.
What are characteristics of mechanical weathering?
Mechanical weathering is when rocks are worn away by physical action, ex: a river running past.
What is the diffence between chemical weathering and physical weathering?
Chemical weathering involves the breakdown of rocks through chemical reactions, such as oxidation or hydration, which changes the composition of the rock. Physical weathering, on the other hand, involves the mechanical breakdown of rocks into smaller pieces without altering their chemical composition, through processes like freezing and thawing or abrasion.
Is a delta a mechanical or chemical weathering?
A delta is a landform created by deposition of sediments carried by a river as it enters a larger body of water, such as a lake or ocean. This process of sediment deposition is a result of both mechanical and chemical weathering upstream that breaks down rocks into smaller particles that are then transported by the river and deposited at the river mouth to form the delta.
Chemical weathering is probably faster along the Amazon River than in the Himalayas?
Yes, chemical weathering is likely faster along the Amazon River than in the Himalayas due to the warm and humid climate of the Amazon region, which enhances chemical reactions that break down rocks. The abundant rainfall in the Amazon Basin also contributes to higher rates of chemical weathering compared to the drier conditions in the Himalayas.
Chemical weathering is probably faster along the Amazon River then in the Himalayas true or false?
TRUE!
Does chemical weathering occur faster in deserts than in rain forests?
Chemical weathering typically occurs faster in rainforests compared to deserts due to the higher moisture levels in rainforests that promote chemical reactions. The moisture helps to speed up the breakdown of rocks and minerals into smaller particles. In deserts, the lower moisture levels slow down the chemical weathering processes.
What three factors affect how much energy a river has to cause weathering erosion and deposition?
The steepness of the river's slope, the volume of water flowing in the river, and the type of rock or sediment being eroded are the three main factors that affect how much energy a river has to cause weathering, erosion, and deposition. The faster the flow, the more erosive the river can be.
Is a glacier melting into a river a chemical or physical change?
yes
How do phosphorous and nitrogen move from land into the ocean?
Phosphorus and nitrogen from the land can enter the ocean through runoff from agricultural fields carrying fertilizers, sewage discharge, and erosion of soil. These nutrients can also be carried into rivers and streams and eventually make their way to the ocean.
What are some characteristics of mechanical?
Mechanical weathering is when rocks are worn away by physical action, ex: a river running past.
