Subject :NSO Class : Class 6
Which of the following are non-periodic changes?
I. Sunrise and sunset
II. Growth of plants
III. Occurrence of a rainbow
IV. Beating of heart
AII and III only
BII and IV only
CI and IV only
DAll of these.
Ans 1:
Class : Class 8
the ans. is a
Ans 2:
Class : Class 1
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