In 1980, there were, on the average 10 deaths at birth (infant morality) per 10000 populations. By 1990, there were 5 and by 2000, Today there were 5 deaths at birth per 10000 population, and it is anticipated that the downward trend will continue. Each of the following, if true, would help to account for this trend EXCEPT
সমাধান
সঠিক উত্তর: Option B