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Rain water, and therefore a great deal of the water in streams and rivers, contains small amounts of carbonic acid due to a reaction with carbon dioxide in the air. This weak acid acts to dissolve rock chemically, some to a greater extent than others, dependent on their constituent minerals and porosity.
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What do water wind and gravity do to rocks?
Wind can carry abrasive particles which weather rocks . trees can be uprooted by wind, causing the rocks at their roots to fracture. wind can create waves which can fracture or exploit an existing... Water can chemically weather rocks by dissolving minerals, water can also physically weather rocks by fracturing them by hydraulic pressure or frost wedging.
A permeable rock weathers easily because?
Water can easily get into the rock and when the water freezes it expands cracking the rock so more water can enter and break up the rock.
How does freezing and thawing cause rocks to break into smaller pieces?
Water manages to get into a crack in a rock, and with cold temperatures, freezes. When transferring from a liquid to a solid, the molecules of water expand by crystallization, widening the crack in the rock.
How water moves underground?
water is poled down by gravity when the water its rock it curves a different direction but still going down.
Water works to expand joints in rocks because it expands as it evaporates true or false?
No. Water expands when it freezes, causing the rocks to crack and break.
How does rocks break down?
It when water goes into the rock and then the water freezes and break the rock
Can water break down a rock over time?
Yes
When wind and water break rock down?
Wind and water can break down rock through a process called weathering. Water can seep into cracks in the rock and freeze, expanding and causing the rock to break. Wind can carry small particles that can abrade the rock's surface over time.
How does water physically and chemically weather rock?
water causes mechanical weathering of rocks in two ways: *the force of moving water (such as running water anf waves) scrapes and breaks rocks * alternate freezing and thawing of water in rock crevices eventually break rocks in countries that experience winter. by:karmela Jane tamesis a grade 5 pupil
Can water alone weather some rocks?
Yes, water alone can weather rocks through a process called erosion. Over time, water can dissolve and break down rocks, changing their composition and shape. This process is a natural part of the rock cycle.
Can polluted air break down rocks?
Human pollution is generally acidic. Sometimes, the pollution can contaminate rainclouds or other sources of water, forming an acidic liquid. If a rock has contact with this substance, it could be eroded chemically.
Ow does sea water affect rocks?
Sea water can chemically weather rocks through processes like dissolution and oxidation, which erode and break down rock minerals over time. The presence of salt in seawater can also lead to salt crystallization within rock pores, weakening and causing cracks to form. Erosion from waves and tides can physically break down rocks into smaller pieces through abrasion.
Which substance has the greatest effect on the rate of weathering of rock?
Water is the substance that has the greatest effect on the rate of weathering of rock. Water can seep into cracks in rock, freeze and expand, causing the rock to break apart. Water can also chemically react with minerals in the rock, leading to chemical weathering.
What happenes if a rock is impermeable?
The rock doesnot breakdown from gas, but only water would be able to break it down.
What natural activies work to break down rock?
water, wind, waves, and gravity
What is the process in which water wind ice and heat break down rock is called what?
The process in which water, wind, ice, and heat break down rock is called weathering. Weathering involves the physical or chemical breakdown of rocks into smaller pieces.
When granite rock is exposed to water wind or ice it can break down into smaller pieces and become what rock?
Common Granite
