IGNEOUS ROCK, MAGMA RISES TO THE SURFACE. IT COOLS QUICKLY AND SOLIDIFIES, SEDIMENTARY ROCK, ROCKS ERODE AND JOIN TOGETHER IN HORIZONTAL BANDS. IT COTAINS RESTS OF PLANTS, ANIMALS, …, METAMORPHIC ROCK, THE HEAT AND PRESSURE FROM ABOVE TRANSFORM THE ROCK BELOW., ROCKS, THEY ARE GROUPS OF MINERALS. THEY CAN BE CLASSIFIED INTO THREE GROUPS, DEPENDING ON THEIR ORIGINAL FORMATION, MINERALS, IT´S A SOLID INORGANIC SUBSTANCE THAT FORMS NATURALLY. THEY HAVE DIFFERENT COMPOSITIONS AND PROPERTIES.

DEFNITIONS (rocks and minerals):

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