Question

consider this claim:
for the benefit of all citizens, fluoride should be added to drinking water.
which is the strongest evidence to support the claim?
more than half of americans have fluoride in their drinking
water.
some experts say that the fluoridation of water may threaten
people who suffer from kidney disease.
many experts agree that the fluoridation of water helps to
prevent tooth decay.

Explanation:

To support the claim that fluoride should be added to drinking water for citizens' benefit, we analyze each option:

• The first option only states the prevalence of fluoride in American drinking water, not its benefits.
• The second option presents a potential harm for a specific group, which weakens the claim.
• The third option cites many experts agreeing that water fluoridation helps prevent tooth decay, a clear benefit for citizens' oral health, directly supporting the claim.

Answer:

Many experts agree that the fluoridation of water helps to prevent tooth decay.