Question

Which of the following shows a modern technology measure that helps preserve and conserve the environment

A)The practising crop rotation
B) Converting industrial wastes into biogas
C)Using machines in agricultural industry
D) All of these

Answer 1

Answer:

Converting industrial wastes into biogas

Explanation:

There are various different methods which are used for the conservation of and healthy environment. The most modern method is conversion of the biological wastes from plants and animals into useful product like biogas. The organic matter from the plants and animals which act as wastes in the form of degradable matter are used in this process. Anaerobic bacteria perform anaerobic fermentation and convert this wastes into biogas. Biogas is commonly used as fuel because of high amount of methane. Methane serves as a clean and non-polluting fuel.

Thus, the correct answer is option B.