because the rocks have rounded minerals which means that water can seep through it
Porous rocks absorb water. Anything that can absorb water would not be good at containing it.
both source rocks and reservoir rocks are highly porous. however, the permeabilty of a reservoir rock distinguishes it from a source rock.
In the US, construction paper refers to a rough, soft paper available in many colors used for craft projects of many types. It is inexpensive, porous and tears easily.
There is a product available called "Concrete Blast" made by Euclid Chemical Company that is made specifically for removing concrete from porous and non porous materials. Available through professional construction supply stores across the country such as White Cap Construction Supply. You can go to their website at www.whitecapdirect.com or you can go to www.euclidchemical.com for for information.
Chalk has a dull, matte luster. Chalk is a soft, white, porous sedimentary rock, composed of the mineral calcite. Because chalk is porous it can hold a large volume of ground water, providing a natural reservoir that releases water slowly through dry seasons.
Sandstone is extremely porous and absorbs liquids like a sponge.. Shale is nearly impervious to liquids.
There are two types porous and non porous. You can also seel porous concrete to make it non porous.
There are two types porous and non porous. You can also seel porous concrete to make it non porous.
It means that the bearing is made with TINY holes and channels that allow oil to flow through the bearing.
Heat drawn from the milk when the water evaporates.
There are two types porous and non porous. You can also seel porous concrete to make it non porous.
Silk is porous -- it absorbs liquids.