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unit 3 assignment

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  • hey John! how's going?
  • Hey Timmy, and not so well ...
  • as an environmentalist, recently studies show that inaccurate amounts of chemicals are being used causing damage to the environments. 
  • what's the matter?
  • That's terrible
  • Unfortunately yes
  • what can we do to further take better precautions and to make the situation better?
  • Well, I've received a list of questions that must be answered and with that we can begin. 
  • First question says: why is it important to use correct salt-sand mix on highways during winter storms?
  • well, during winter we know that roads are covered by ice and snow. To help melt it down we use salt, or sodium chloride. That way less accidents will happen. 
  • A lot of people tend to confuse salt and sand. Sand is used to help increase friction, so that vehicles wont drive on slippery surfaces. using correct salt-sand mix on highways will help vehicles drive on less slippery roads and won't have a tough time for the cars to move.
  • And as for the sand?
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