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Its actually more about the composition of the rock than the shape, the rounded rocks tend to be of a softer material such as sandstone, limestone etc which erode quicker and as such form into rounded shapes were harder rocks such as granite are more resistant to erosion and therefore its the softer materials that erode and leave the sharp edges of granite.
Because water and air are a form of weather and they both break down rocks.
Metamorphic rocks.
igneous rocks usally form by cooled magma.
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It's ability to weather and erode rock.
Its actually more about the composition of the rock than the shape, the rounded rocks tend to be of a softer material such as sandstone, limestone etc which erode quicker and as such form into rounded shapes were harder rocks such as granite are more resistant to erosion and therefore its the softer materials that erode and leave the sharp edges of granite.
These are upwarped mountains. They form when blocks of Earth's crust are pushed up by forces within Earth. Over time, the soil and sedimentary rocks at the top of Earth's crust erode, exposing the hard, crystalline rock underneath. As these rocks erode, they form the peaks and ridges.
Because water and air are a form of weather and they both break down rocks.
igneous rocks form when hot molten rock cools and solidifiessedimentary rocks form when other rocks erode and the erosion products collect then are buried and fuse together or minerals are deposited by living things and are buriedmetamorphic rocks form when other rocks are buried deep and the high temperature and pressure removes volatiles and modifies crystal structures in the rock
No of course not. Anywhere water has the ability to flow across, along, or through rocks it will erode the rock. If wind blows through an underground cavern it will weather the surface of the rocks it encounters.
Earth's mountains form and erode from erupting and by shifting plates.
From the actions of heat and presure on pre-existing rocks.
it damages metal by rusting it Water in its purest form can dissolve rocks and minerals. It can erode mountains and cut through solid rock.
Metamorphic rocks.
They weather away rocks and form some surface features of the Earth.