Which of these are natural teeth whiteners?
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Green tea
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Strawberries
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Lemons
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Bananas
B,C
Correct answer
Explanation
Strawberries contain malic acid, a natural astringent that can help remove surface stains from teeth. Lemons contain citric acid and have mild bleaching properties. Both fruits act as natural whiteners when used cautiously. Green tea and bananas do not have significant teeth whitening properties.