Nonrenewable Natural Resources

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Across
  1. 2. Natural materials that cannot be replaced easily and can only be used once
  2. 4. What nonrenewable resource is a metal?
  3. 7. What fossil fuel is used for cooking and heating our homes?
  4. 8. What fossil fuel can be turned into gasoline?
  5. 9. What is a renewable natural resource in the word bank?
  6. 10. What nonrenewable resource is mainly used to produce electricity and power trains and steamboats?
  7. 11. A source of energy made from the remains of ancient, once-living things
Down
  1. 1. Something that is found in nature and is valuable to humans
  2. 3. Natural materials that can be replaced easily and can be used more than once
  3. 5. Do humans need nonrenewable natural resources to survive?
  4. 6. Nonrenewable natural resources can take millions of years to replenish