Subject :NSO Class : Class 4
3)How do sunglasses help us?
Ans 1:
Class : Class 8
24 hrs
Ans 2:
Class : Class 7
by covering and protecting our eyes from the UV rays of the sun
Ans 3:
Class : Class 8
1 Day/ 24 hrs
Ans 4:
Class : Class 7
by covering and protecting our eyes from the UV rays of the sun
Ans 5:
Class : Class 4
8
Ans 6:
Class : Class 7