Caves

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Across
  1. 2. Icicle shaped calcite hanging from the roof of a cave
  2. 4. Cone shaped calcite built up in the floor of a cave
  3. 6. Where Batman keeps his bat mobile
Down
  1. 1. Larger rocks are broken down into smaller rocks
  2. 3. Main ingredient in eggshells limestone and chalk
  3. 5. Used in science when the objects we are studying are too old, too small or too big to touch or see
  4. 7. A large hole formed by a natural process