Multiple choice

Steel and chemical factories are major polluters mostly because they

  1. Use municipal sewage systems

  2. release runoffs of pesticides

  3. generate large amounts of wastewater

  4. require a small amount of water
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Steel and chemical industries are water-intensive processes that require massive amounts of water for cooling and chemical processing. This results in large volumes of wastewater that must be managed.

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