How does the sanitation gap in sub- Saharn africa affect the people living in the region? Choose all that apply.
1. It contributes to decrease in poverty
2. It decreases the amount of relief needed from programs like UNICEF
3. It contributes to an increased vulnerability to water-borne diseases
4. It decreases the amount of time the population spends collecting water
5. It contributes to an increase in missed workdays and a decrease in school attendance