1.

State the region why water get filled in the dropper before placing it's nozzle in water​

Answer»

Answer:

Atmospheric pressure

The rise of WATER in the DROPPER is due to atmospheric pressure.

When the bulb of a dropper is pressed, the pressure inside the dropper DECREASES and this CAUSES the water to go inside the dropper.

Explanation:

I hope it's HELPFUL for you ☺️



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