Question

Sewage water from residential areas and used water from industries must be disposed of directly into the rivers and lakes.

• A. Level PP is phytoplankton in sea and top level TC is whale
• B. Level one PP is peepal trees and level SC is sheep

Answer 1

The correct option is B Level one PP is peepal trees and level SC is sheep

• Sewage water and industrial wastewater contain a lot of chemicals, unused materials, and harmful microorganisms.
• They should not be directly disposed into the rivers and lakes.
• They cause water pollution and contamination which is a threat to aquatic life.
• They should be first treated so that they are safe to be disposed.