Photovoltaic power from solar panels and biomass energy are obviously forms of solar energy, coming from sunlight. Explain why both wind power and hydroelectric power can also be considered to be forms of solar energy.

Which of the following statements is true about energy quantization at the atomic level? electrons in the outermost orbits are the most stable. electrons in all the orbits around the nucleus have the same amount of energy. electrons in the orbit closest to the nucleus have the least amount of energy. electrons absorb or release the same amount of energy independent of the energy levels.