Respuesta :
Based on the options given, the answer is d. infant mortality. Most developing countries have high infant mortality which child rearing increase for about 3% in a day..
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Answer: the correct answer is d. infant mortality
Explanation: Most of the 25,000 kids under five that die each day are concentrated in the world's poorest countries in sub-Saharan Africa and South Asia. There, the child mortality rate is 29 times greater than in industrialized countries: 175 deaths per 1000 children compared with 6 per 1000 in industrialized countries.