Following questions consists of two statements - Assertion (A) and Reason (R).Answer these question selectin the appropriate option given below:
(a)A and R both are true and R is a correct explanation of A
b) A and R both are true and R is not a correct explanation of A
c) A is true and R is wrong.
(d) ) A is wrong and R is true.
19. Assertion : Coelenterates are also known as Radiata
Reason: Coelenterates are bilaterally symmetrical
20. Assertion: We do not work as we push a wall.
Reason: The condition for a foce to do work is that it should produce motion in object
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Answer:
the answer is both are shasan
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