Which of the following is/are in random motion?

By: |Published on: May 19|Categories: Physics WAEC| 0 comments

i. Pollen grains in water

ii. The molecules of hydrogen gas

iii. Fine chalk particles floating in air

A. i and ii only
B. i and iii only
C. ii and iii only
D. i, ii and iii

Correct Answer: Option D

D. i, ii and iii

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