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5 Cards in this Set

  • Front
  • Back
Give the name of petroleum in its natural form.
crude oil
poorest quality coal
lignite
most expensive type of coal to mine
anthracite
most common type of coal
bituminous
Be able to identify and label cave formations. Use skill sheet 12 to study.
columns, cave pearls, flowstones, soda straws, stalagmites, stalactites