which energy source is it?

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Across
  1. 4. what is the most common nonrenewable energy
  2. 5. uses the sun and solar pannel's
  3. 6. kinetic energy through turbines
  4. 8. uses energy from water through hydroturbine
  5. 10. mixture of hydrocarbons predominantly made up of methane
  6. 11. composed predominantly of carbon
  7. 12. mixture of hydrocarbons hydrogen and carbon atoms
Down
  1. 1. takes energy from inside earth with wells
  2. 2. what is the most common renewable energy
  3. 3. creates biofuel from wood, charcoal etc…
  4. 7. made from decomposing plants and animals
  5. 9. uses kinetic and thermal energy from seawater