2. Then and now: Talk to your grand parents and other elderly people in the neighbourhood. Find out the sewage disposal systems available to them. You can also write letters to people living in far off places to get more information. Prepare a brief report on the information you collected.
Answer:
The following sewage disposal systems available during my grandfather’s generation:
Septic Tank: Septic tanks were placed behind every house inside which the sewage produced by the household used to accumulate. The sewage decomposed inside the tank and was manually removed. An image of on such septic tank is shown below:
Manual Scavenging: In this arrangement human waste used to gather inside a container underneath the toilet and was removed by a scavenger. This makeshift arrangement has since been banned due to its detrimental effects on health.
“Then and now: Talk to your grand parents and other elderly people in the neighbourhood. Find out the sewage disposal systems available to them. You can also write letters to people living in far off places to get more information. Prepare a brief report on the information you collected.” – Solved.
Related Links:
Solution to Extended Learning Problem 1
Solution to Extended Learning Problem 2
Solution to Extended Learning Problem 3
Solution to Activity 13.1
Solution to Activity 13.2
Solution to Activity 13.3
Solution to Activity 13.4
