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Correct answer
D. All the above
Explanation
The correct answer is All the above.
Correct answer
B. Head works
Explanation
The correct answer is Head works.
Correct answer
D. Pregnancy
Explanation
The correct answer is Pregnancy.
Correct answer
C. Both a & b
Explanation
The correct answer is Both a & b.
Correct answer
C. Between 7.5 to 8.5
Explanation
The correct answer is Between 7.5 to 8.5.
Correct answer
D. Jensen (1970)
Explanation
The correct answer is Jensen (1970).
Correct answer
C. Both a and b
Explanation
The correct answer is Both a and b.
Correct answer
A. both a and B
Explanation
The correct answer is both a and B.
Correct answer
D. Perfect competition
Explanation
The correct answer is Perfect competition.