Biology, asked by vismayaWinslet, 11 months ago

Mental retardation is caused by
A. Excessive stress
B. Conflicts with others
C. Vitamin deficiency
D. Iodine deficiency​

Answers

Answered by saumii
1

Answer:

Option A

Explanation:

Excessive stress

anup3147: Option A
Answered by kollatisreshtavarma
1

Answer: iodine deficiency

Explanation: insufficient supply of thyroid hormone results in mental retardation

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