The bureau of land management manages over acres of land in the united states 260 million 100 million 875 million

[ answer ]

foliated

[ explanation ]

foliation forms in a rock when pressure squeezes the rock together. the rock then has a design of many different color little lines. there are three types of foliated rock. the types are slate, schist, and gneiss. each type of foliated rock is different based on grain size and foliation characteristics. the lines appear when the rock has been under pressure.

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some of your causes might be acidic rain or natural wildfires that cause the parks to be degraded

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