science cros

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Across
  1. 2. when dinosaurs existed they were in _______.
  2. 3. Fuels you born them for energy
  3. 5. the practice of land management.
  4. 6. everyday use/thing.
  5. 7. it builds materials
  6. 8. dioxide methane and _____are gases for greenhouse
  7. 9. gas is made of glass and used to grow plants.
Down
  1. 1. rands on heavy and can_________us.
  2. 4. carbon dioxide and ______are the greenhouse gases.
  3. 6. rocks move and the earth shakes.