Question

21. Are the following statements true or false?

e. Sewage should be treated for the removal of harmful wastes before it is released into the river.

• A. True
• B. False

Answer 1

The correct option is A True

• The wastewater from our kitchens and bathrooms is carried away in deep pipes called sewers.
• The sewers take up the wastewater to a special sewage treatment plant where the solid particles of wastewater are allowed to settle down.
• The remaining liquid is treated with chemicals to destroy the germs in it.
• After that, the water which is free from harmful wastes is released into the river.

Hence, the given statement is true.