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.
Another trend with ionization energy is that it increases from the bottom to the top of the periodic table, because the closer to the nucleus the electron orbits, the harder it becomes to rip the electron from its orbital. As it sits at the top right of the periodic table, helium naturally has the highest first ionization energy.