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.
Transformations between potential and kinetic energy. can occur in any object that rises and falls. -- falling- As height decreases, PE decreases and KE increases. -- pendulum- At highest point in swing, highest PE, lowest KE, and vice versa. Describe the energy transformation that occurs in a waterfall.