ANSWERS: 2
  • Lead is a heavy metal which as posionous effects on must living things. If you just throw lead away, at best it's going to end up in a landfill with the possibility of leaching into the environment. Lead can also be recycled, saving the energy usage and environmental wear and tear of mining and refining.
  • If the extracted leachate (water containing contaminants which leaks) from an alkaline battery is diluted with water and used to conduct a bioassay, the leachate is lethal to the test animals. http://owr.ehnr.state.nc.us/ref/11/10318.htm

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