1. Drainage: The process by which water or liquid waste is drained from an area.
2. System: An organization set of ideas or theories or a particular way of doing something.
3. Flood: It simply means a large amount of water covering an area that is usually
dry.4. Environment: This is the condition that affects the behaviour and development of somebody or something, the physical condition that somebody or something exists.
5. Health: The condition of a person’s body or mind.
6. Sewer: These are underground pipe that is used to carry sewage from houses, factories etc.
7. Implication: A possible effect or result of an action or a decision.
8. Accumulation: It is to gradually increase in number or quantity over a period of time.
9. Pathogen Organism:These are organisms that are capable of causing diseases e.g. bacteria, fungi, virus, hermits, etc.
10. Water Borne Diseases: These are diseases that are associated with contaminated water.
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