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  • Mercury is a poisonous chemical. Which of the following d...
Multiple choice

Mercury is a poisonous chemical. Which of the following does not contain mercury?

  1. Fluorescent light bulb

  2. Thermometer

  3. Blinking light in sneakers

  4. Computer disc

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Computer disc does not contain mercury.

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