Atmospheric pressure and its units — task. Science CBSE, Class 8 New.

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Identify the correct answer:

1. Why does a rubber sucker stick to a smooth surface?

Adhesion of surface and rubber
Gravity holds it
Pressure inside the sucker is more than the outside
Pressure inside the sucker is lesser than the outside

2. One millibar is equal to

1000 Pa
10 Pa
1 Pa
100 Pa

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