Question

explain how drinking straw dropper and
are working ​

Answer 1

Answer:

when we press the upper ruber of droper so the wind in droper get out from droper

and when we give the droper into water and leave the ruber so water is fill in droper

Answer 2

Answer:

The lower end of drinking straw is dipped in the soft drink. When we suck at the upper end of the straw with our mouth, the pressure of air inside the straw and in our inner mouth is reduced. ... Greater atmospheric pressure acting on the surface of the soft drink pushes the soft drink up the straw into our mouth

Explanation:

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