Microwaves
1 mark · NormalWhich of the following is a detrimental effect of excessive exposure to microwaves in the home?
- A.Can cause burns to human tissue
- B.Causes electric shocks
- C.Can permanently magnetise metals
- D.Can damage bone structure
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Correct option: Can cause burns to human tissue
Common mistakes: Selecting electric shock (which is not specific to microwaves)
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Marking points
B1 · 1 mark · Selects correct option: burns to human tissue.
Worked solution
The correct answer is: "Can cause burns to human tissue". Excessive exposure heats water in the body and can cause burns, not shocks or bone damage.