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Anushka from DPS Gandhinagar , Gandhinagar
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:

Pragya Mahajan from BCM Arya Model Sr Sec School, Ludhiana
Class : Class 8
the ans. is a

Ans 2:

Admin fly from Ddssxxx, Ax
Class : Class 1
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