The cycle of malnutrition:
a. begins when infants are weaned and appropriate substitutes for milk are unavailable.
b. affects both the health and productivity of a population.
c. is an inability to meet nutrient needs at some stages of life.
d. ends after the adolescent growth spurt.

option B.

Explanation:

The correct answer is option B.

Malnutrition is one of the biggest problems faced by developing countries.

Malnutrition is caused because of not getting proper nutrition, not having enough food to eat or not having the right things to eat.

Malnutrition is of three types  

a) undernutrition which includes low weight or low height.

b) micronutrient-related malnutrition

c) overweight, obesity and diet-related

Malnutrition both the health and productivity of a population

answer; obey the closest relative's wishes;