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29 questions
Ores are minerals that are valuable and economical to extract.
True
False
Which one is not a native metals?
gold
silver
copper
oxygen
Acid mine drainage is the result of
ash and air debris creating acid rain
boulders and debris blocking the flow of rivers/streams
toxins from water in mines drain into streams
minerals from mining being left behind creating pollution
Which of the following is a natural process that is accelerated by mining?
habitat destruction.
erosion.
tunnel collapse.
pollution from coal dust.
When mining companies dig very deep large holes with machines is the definition of:
Open Pit Mining
Strip Mining
Surface Mining
Subsurface Mining
Which could increase the amount of greenhouse gases in the atmosphere?
planting trees in areas that have been deforested
reducing the use of gasoline-powered vehicles
burning coal to produce electricity
creating wind farms in desert areas
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