Question

Movement of Pollen Grains in Water​

Answer 1

Answer:

Particles in both liquids and gases (collectively called fluids) move randomly. ... Larger particles can be moved by light, fast-moving molecules. Brownian motion is named after the botanist Robert Brown, who first observed this in 1827. He used a microscope to look at pollen grains moving randomly in water

Answer 2

Answer:

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