Multiple choice

Creating steel from scrap instead of from ore uses about ______ less energy

  1. 25 percent

  2. 50 percent

  3. 75 percent

  4. 85 percent
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Recycling steel scrap is significantly more energy-efficient than extracting and processing virgin iron ore, saving approximately 75 percent of the energy required.

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