The Good and the Evil of scientific discoveries

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Across
  1. 2. Are the most of the elements in the periodic table that are conductive and now are filling dump yards with electronic waste
  2. 3. The process of getting resources from the ground underneath and now is the reason for habitat loss, air and water pollution.
  3. 4. Made from wood, and is very thin and now is a big reason for deforestation.
  4. 5. Type of waves that help communication over long distances and now ruining the brains of birds, humans.
Down
  1. 1. Burned to produce energy and now producing emissions.
  2. 4. Was discovered as a material first to make cue balls/billiards ball and now floats in the oceans polluting it.