Rock Cycle

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Across
  1. 2. having solidified from lava or magma
  2. 3. the upper layer of earth in which plants grow, a black or dark brown material typically consisting of a mixture of organic remains, clay, and rock particles
  3. 4. has undergone transformation by heat, pressure, or other natural agencies
  4. 6. the changing of rocks
Down
  1. 1. rock that has formed from sediment deposited by water or air
  2. 5. the solid mineral material forming part of the surface of the earth and other similar planets, exposed on the surface or underlying the soil or oceans