V K Sally and S K Aggarwal Solutions for Chapter: Wastewater Management, Exercise 1: Oral Questions

Author:V K Sally & S K Aggarwal

V K Sally Science Solutions for Exercise - V K Sally and S K Aggarwal Solutions for Chapter: Wastewater Management, Exercise 1: Oral Questions

Attempt the practice questions on Chapter 18: Wastewater Management, Exercise 1: Oral Questions with hints and solutions to strengthen your understanding. Learning Elementary Science for Class 7 solutions are prepared by Experienced Embibe Experts.

Questions from V K Sally and S K Aggarwal Solutions for Chapter: Wastewater Management, Exercise 1: Oral Questions with Hints & Solutions

EASY
7th CBSE
IMPORTANT

It is located at regular intervals every 50-60 metres i.e

- A - H - - E

 

EASY
7th CBSE
IMPORTANT

Discharge of untreated sewage into water bodies is one of the main source of _____.(guess the word).

EASY
7th CBSE
IMPORTANT

Name two diseases which are caused due to water pollution.

EASY
7th CBSE
IMPORTANT

Give one beneficial activity of microorganisms for sewage.