Enlist four simple choices which can make a difference in our energy consumption patterns.

(N/A) To reduce energy consumption,we can consider the relative advantages,disadvantages,and environmental impact of the following choices:
$(i)$ Choosing public transport (bus),carpooling,or walking/cycling instead of using a personal vehicle.
$(ii)$ Using energy-efficient lighting like $LED$ bulbs or fluorescent tubes instead of traditional incandescent bulbs.
$(iii)$ Using the stairs instead of the lift to save electricity.
$(iv)$ Wearing an extra sweater to stay warm instead of using energy-intensive heating devices like heaters or 'sigri' on cold days.