Sagot :
Answer:
1. Yes, the energy of the sun is the original source of most of the energy found on earth. We get solar heat energy from the sun, and sunlight can also be used to produce electricity from solar (photovoltaic) cells.
2. Yes, because the water is evaporated. Evaporation is when the liquid (water) is turned into a vapour and the water disappears
3. Yes, because getting enough calcium and vitamin D in your diet can help maintain bone strength and lessen your risk of developing osteoporosis.
4. Maybe Yes, Retinal damage could occur in just 30–60 seconds, and sometimes even less, he says. Once the retina is exposed to sunlight damage, the macula's cells are damaged, rendering them unable to properly process visual information, says Habash.
5. Some sunlight can be good as long as you have proper protection from overexposure. But too much ultraviolet, or UV, exposure can cause sunburn.