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13-08-2021
Chemistry

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5. What is common among the following phenomena?
* Blinking of traffic light
* Rotation of blades of fan
* Swinging of pendulum of a clock

a) All are chemical changes
b) All are periodic changes
c) All are undesirable changes
d) All are irreversible changes

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APanMelon APanMelon

13-08-2021

Answer:

All are periodic changes

[And is that a todoroki pfp, I like MHA too

(・∀・) ]

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