water pollution is a huge problem especially when you're looking at areas that dont have good sewage system water pollution can be anything from oil to carcasses to chemical and lead to fecal matter water pollution can involve food shortages. crop that grow food take water to grow. when water pollution takes hold that does not leave much water to irrigate crops. which means food does not grow which means their is no food which causes a food shortage
The Sun, like others stars, is a ball of gas. In terms of the number of atoms, it is made of 91.0% hydrogen and 8.9% helium. By mass, the Sun is about 70.6% hydrogen and 27.4% helium.
