Which of the following is/are called environment friendly particle (s)?
A. Carrying cloth-bags while going to the market, for keeping purchases
B. Switching off light and fans to avoid unnecessary consumption of energy
C. Walking to school on foot instead of going by vehicle
D. All of the above
Answer:D
Which of the following is/are called environment friendly particle (s)?
A. Carrying cloth-bags while going to the market, for keeping purchases B. Switching off light and fans to avoid unnecessary consumption of energy C. Walking to school on foot instead of going by vehicle D. All of the above