CBSE Class 9 Answered
What is matter? How many states does it occur in?
Asked by Topperlearning User | 06 Feb, 2018, 10:35: AM
Expert Answer
The zig-zag movement of the small particles suspended in a liquid (or gas) is called brownian motion.
The pollen grains move on the surface of water because they are constantly being hit by the fast moving particles of water.
Answered by | 06 Feb, 2018, 12:35: PM
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