Answer Wiki. Sand sharks a/k/a sand tiger, grey nurse and ragged tooth. Their name reportedly comes from their habit of hanging out near the shoreline, trolling the ocean floor where the waves break close to the beach. While they're considered relatively docile and mind their own business, they apparently will attack a human if provoked.
Contemporary energy transitions differ in terms of motivation and objectives, drivers and governance. In a more narrow sense, a sustainable energy transition is the shift by some countries, most notably Germany (German: Energiewende), to decentralised renewable energy, and energy efficiency.
Kinetic energy is related to movement (a faster object has more kinetic energy); potential energy is related to position (higher up, objects have more potential energy). Exam â¦ ples: A leopard waiting in a tree, motionless, waiting to jump on you has potential energy.