Why should we try to use less oil natural gas and electricity?

Why do you have to be honest in science? How was the richat structure formed? How much wattage does house bathroom exhaust fan use? What characteristic would enable photovoltaic cells to be used more widely? What Cells carry amino acids? What is an apoptogen? How many people have died in tsunamis in total? What does it mean if a liquid turns into a solid? How long does it take to clean up after a hurricane of any kind? Do people grow white ash? Why is the Anabaena easier to see than some of the other cells? Is abrasion and sedimentation the same? What changes a soiled to a liquid? How thick is eather layer? What mineral is most commonly lacking in the human body? Is barium a gas? Why People of the classical era found the flat open geography of the African plains particularly well suited to? Why only transition elements are known to form pi-complexes? Why are spines better than leaves in the desert? Like altitude what is the distance above sea level?