GEOLOGISTS ARE APPREHENSIVE THAT MANY RESERVES OF MINERALS MAY NOT LAST FOR LONG AND MOST OF THEM WILL BE EXHAUSTED WITHIN 100 TO 200 YEARS. NEW POSSIBILITIES OF MINERAL RESERVES IN LAND AND BEYOND THE LAND, AS IN THE SEALED, ARE BEING EXPLORED WHICH MAY REDUCE, IF NOT TOTALLY REMOVE, THE FUTURISTIC FEARS OF EXHAUSTION OF THE RESOURCE.
CERTAIN MINERALS CANNOT BE REPLENISHED ONCE USED , WHILE THOSE THAT CAN BE RESOURCES. CONSERVATION IMPLIES EFFORTS TO UTILIZE MINERALS IN THE BEST POSSIBLE WAY, DEPENDING UPON THE INDUSTRIAL NEEDS AND CHANGING TECHNOLOGICAL REQUIREMENTS, SO THAT THE LIFE OF THE DEPOSITS IS INCREASED WITHOUT SACRIFICING ITS OWN NEEDS. CONSERVATION OF ENERGY MEANS CURTAILING UNNECESSARY OR WASTEFUL CONSUMPTION OF ENERGY AND MAKING THRIFTY USE OF USE OF ENERGY PRODUCING RESOURCES TO ENSURE THEIR STEADY SUPPLY FOR GENERATIONS.
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