How lack of clean water affects teaching and learning?

A lack of safe water affects the education of children in over 50 countries in the world. Over 1.5 million children under the age of five die from diarrhea each year. When schools are provided with better water, hygienic conditions and improved sanitation, it helps to eliminate the 272 million school days that are missed each year due to water-borne diseases.

Hey your answer should b c

Its either c or d. i would go with d though, because im not sure if its legal in all of the us