Answer: d) All of the above
Explanation: Using cloth bags instead of plastic bags, turning off the unused lights and fans, walking for a short distance travel instead of using vehicles are all a good practice for the betterment of our environment.
Answer: d) All of the above
Explanation: Using cloth bags instead of plastic bags, turning off the unused lights and fans, walking for a short distance travel instead of using vehicles are all a good practice for the betterment of our environment.