Municipal solid waste makes up 96 of the solid waste generated in the U.S. (True or false?)

Recycling which of the following produces an energy savings of 96 versus processing it from
  metallic ore?
  a. Aluminum
  b. Steel
  c. Copper
  d. Glass
  e. Plastic

The EPA's original 10,000-year radiation dosage standard for a nuclear repository was changed to how
  many years?
  a. 1,000 years
  b. 100,000 years
  c. 1,000,000 years
  d. 10,000,000 years
  e. It was not changed. It is still 10,000 years.

How was low-level nuclear waste disposed of prior to 1970?
  a. sanitary landfills
  b. on-site incineration
  c. recycled into nuclear fuel
  d. added to cement
  e. dumped in the ocean