MEDIUM
7th CBSE
IMPORTANT
Earn 100

What is a septic tank? How it works and is used?

Important Questions on Wastewater Story

MEDIUM
7th CBSE
IMPORTANT
Exploring Science BASED ON THE LATEST NCF GUIDELINES 7>Chapter 18 - Wastewater Story>Exercise>Q H
Outline the main steps involved in sewage treatment.
MEDIUM
7th CBSE
IMPORTANT
Exploring Science BASED ON THE LATEST NCF GUIDELINES 7>Chapter 18 - Wastewater Story>Exercise>Q I
Why should oils and fats not be thrown in the drains?
MEDIUM
7th CBSE
IMPORTANT
Exploring Science BASED ON THE LATEST NCF GUIDELINES 7>Chapter 18 - Wastewater Story>Exercise>Q I
Why is discharge of untreated sewage into water bodies not desirable?
MEDIUM
7th CBSE
IMPORTANT
Exploring Science BASED ON THE LATEST NCF GUIDELINES 7>Chapter 18 - Wastewater Story>Exercise>Q I
Why do fishes die due to the excessive water pollution?