Crude Oil Key Words

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Across
  1. 3. a natural fuel such as coal or gas, formed in the geological past from the remains of living organisms
  2. 5. liquid mixture of hydrocarbons that is present in certain rock strata
  3. 6. the production and discharge of something, especially gas or radiation
  4. 8. a boring into the earth or sea bed for the extraction of petroleum
  5. 9. occurs when the liquid form of petroleum leaks into an ecosystem due to anthropocentric (human) causes
  6. 10. Compound containing Hydrogen and Carbons only
Down
  1. 1. separation of liquid mixture into fractions differing in boiling point
  2. 2. well or shaft drilled through rock, from which petroleum is drawn
  3. 4. layer or a series of layers of rock in the ground
  4. 7. unrefined petroleum