What is a rock?
Some rocks are harder than others like granite and Marble make good building materials as they don’t wear away easily. What is Permeable Rock? Chalk and Sandstone are soft rocks which wear away easily. Rocks like sandstone or chalk, easily soak up water, because of this property, they are called permeable rock or porous rock. What is impermeable Rock? Other rocks like granite and Marble, soak up water, because of this property, they are called impermeable rock or impermeable rock. What is a rock? Find out how igneous, metamorphic and…
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