Infant mortality due to diarrhea is most common in

Rural communities of developing countries 

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B. rural communities of developing countries

Explanation:

The infant mortality is the death of the young children that are the age of one and this is caused by the low and poor standards of living and poor conditions of the mothers. Alos premature births are the biggest reason for child mortality. Environmental and the social barriers are the basic causes of this mortality.

Each side has to be less then the sum of the other two sides.a, b, c, and e work.

Evidence peice 1: millions of years ago existed the supercontinent pangea after millions of yearsnit broke into peices and formed smaller continents and islandsevidence peice 2: there is a massive fault line in san fransico and california that has the potential to cause massive earthquakes which supports the theory of fault linesevidence peice 3: mountains are said to be formed by earths tectonic plates crashing against each other for millions of years and eventually if forms a big point know as a mountain.evidence peice 4: the mariana trech is the deepest place (so far) discovered in the oceans of earth. it is so deep that you can literally see how earths plates are divided and or continents as well