Answer:
disa gree animals should be aloud to mate with another animal of the same breed freely
Explanation:
Answer:
option A
Explanation:
given,
compression for lower setting = x
work done to compress in lower setting = 5 J
compression in higher setting, x' = 2 x
work done in higher setting = ?
Work done in compression of spring at lower setting

............(1)
Work done in compression of spring at higher setting




from equation (1)

W' = 20 J
Work take for the higher setting is equal to 20 J
Hence, the correct answer is option A
Sc (21) , Y (39) , La (57) , Ce (58) , Pr (59) , Nd (60) , Pm (61) , Sm (62) , Eu (63) , Gd (64) , Tb (65) , etc (hoped that helped)
Answer:
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