The things taken for this Experiment are : two tennis balls, a ruler, tread and cello tape, The parti pant hangs the balls on a ruler with the help of threads and a cello taTpe.
There is a distance of about 6 To 7 centimeters between them. The participant holds the ruler in front of a girls face, keeping a distance of about 30 centimeters.
The girl blows at the balls. Instead of moving away from each other, the balls come uearer this is due to imbalance created by air when you blow at the balls, the air between the two balls moves away, creating low pressure.
The surrounding air has high pressure, which pushes the balls neara
The girl blows at the balls. Instead of moving away from each other, the balls come uearer this is due to imbalance created by air when you blow at the balls, the air between the two balls moves away, creating low pressure. 
The surrounding air has high pressure, which pushes the balls neara
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