Consider the following information:
Henri stops at a gas station and buys a cup of coffee that he heats in a microwave oven. He then proceeds on his way, enjoying music on the radio in his car. Some miles down the road, he is involved in an accident. Paramedics take him to a nearby hospital for a CT scan.

B. radio waves

Explanation

Radio waves are the weakest type of radiation mentioned in the passage. The CT scan uses X-rays, which are harmful with long-term exposure. Microwaves carry more energy than radio waves and can be dangerous to a person with a pacemaker. Choice B is correct<br> Of all of the types of radiation mentioned in the passage, which one causes the LEAST amount of damage to living tissue and DNA with long-term exposure?

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