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Mary went to the restaurant and took a cold drink with the help of straw. She realised that, it was easy for her to drink with the help of straw, rather than directly from the bottle. Which one of the following is the possible reasons for this?

(a.) Mouth pressure

(b.) Sucking pressure

(c.) Atmospheric pressure

(d.) All of these

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The correct option of this question (C).

Explanation : We can drink with the help of straw because of different in the atmospheric pressure.

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