Earth's Crust

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Across
  1. 3. Has lots of minerals and smaller particles that stick together and hold more water
  2. 4. Larger grains of rock that is looser than clay and allows for better water drainage
  3. 5. The best soil type for plant growth
  4. 8. At the very center of our planet is the solid __________
Down
  1. 1. Once-living matter which are broken down after dying
  2. 2. The parts of the crust which lie deep underwater
  3. 6. Full of hot, molten magma
  4. 7. Large, unbroken layers of solid rock