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Which of the following substances did Robert Brown observed upon forming the concept of Brownian motion? A. Talc powder suspended in water B. Talc powder suspended in air C. Pollen grains suspended in
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Which of the following substances did Robert Brown observed upon forming the concept of Brownian motion?

A. Talc powder suspended in water
B. Talc powder suspended in air
C. Pollen grains suspended in water
D. Pollen grains suspended in air

User Vissi
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Answer:

Talc powder suspended in air

User TinMan
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