Captionless Image Blowing of air decreases pressure over the opening of the straw The straw of the cold drink collapses when air is blown over the open end Blowing of air warms up air inside the straw None of the above
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Answer:
The answer is (a) Blowing of air decreases pressure over the opening of the straw.
Explanation:
Decreased pressure over the opening of the straw makes the level of soft drinks rise.
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