Question

what kind of lights are efficient ?

Answer 1

Fluorescent lights. Fluorescent lights – including compact fluorescent lamps (CFL) are more energy efficient than incandescent and halogen light bulbs – so they cost less to run.

Answer 2

Hey buddy
Sociology is the scientific study of society, including patterns of social relationships, social interaction, and culture. It is a social science that uses various methods of empirical investigation and critical analysis to develop a body of knowledge about social order, acceptance, and change.