Question

11. Very short answer type questions:
1. Name two chemicals used to disinfect water
2. What is domestic sewage?
3. Name four diseases that can be caused by an
improper drainage system.
4. What is waste management?​

Answer 1

Answer:

1- ozone and chlorine

2- Domestic sewage carries used water from houses and apartments; it is also called sanitary sewage. Industrial sewage is used water from manufacturing or chemical processes.

3- dysentery, typhoid, Cholera, hepatitis

4 -Waste management refers to the various schemes to manage and dispose of wastes. It can be by discarding, destroying, processing, recycling, reusing, or controlling wastes. The prime objective of waste management is to reduce the amount of unusable materials and to avert potential health and environmental hazards.

Explanation:

hope this will help you