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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
Why does water carve rock?
Water will pick up sediment and the sediment will collide with the rock and eventually carve out rock. The water itself does not break down the rock.
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.
Can water alone weather some rocks?
Yes. The force of moving water itself can cause parts of the main rock body to break off. Additionally, acids present in rain or groundwater can chemically weather rock.
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
When granite rock is exposed to water wind or ice it can break down into smaller pieces and become what rock?
Common Granite
How does acids break down rock?
It breaks down limestone, chemically acid rain is : H2CO3, it reacts with CaCO3 (limestone) to break it down. Limestone is effervescent with all acids, you can try it by adding lemon, vinegar, or any other acid to a chalk, you will notice hydrogen bubbles. :)
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
What does rocks break down to?
A rock will breakdown physically into some type of sediment. Sediments such as: dirt, clay, sand, and pebbles. They can also breakdown chemically in solution.
What is weathering the process in which water wind and heat break down rock?
Another word for this is erosion.
