Across
- 3. waste produced from nuclear fission or in a nuclear reactor
- 4. the energy that holds protons toghether & neutrons alike in the nucleus of an atom.
- 5. a type of mining in which layers of surface soil & rock are removed from large areas to expose a resources.
- 6. an energy surce that CAN'T be replentished ina short time.
- 9. a kind of mining pollutionthay results from rainwater entering caves with iron sulfide & draining out
- 10. a rock containing hydrocarbons.
- 11. reeducing eergy use to prolong the time it takes for us to run out of fossil fuels.
Down
- 1. a type of mining which involves digging deep shafts and networks of horizonta tunnels are made, either by blasting or mining to find resurces.
- 2. an ice-like solid that consists of molecules of methane within a crystal network of molecules.
- 7. an energy source that's repeatedly avaliable is self-replentishing, or can be replaced in a relatively short time
- 8. a liquid fossil fuel(contains hydrocarbns)