The answer is a.bauxite. The bauxite is a sedimentary rock with a high aluminum content and the main source of aluminum. It is found in Queensland, Northern Territory and the Western Australia and is use as an aluminum ore to make aluminum.
It is a true fact that raw sewage can cause eutrophication in a body of water. The correct option among all the options that are given in the question is the first option or option "a". The addition of excess amount of organic matter like manures, sewage can cause eutrophication. I hope the answer helped you.
The energy supply we have so technology is advancing as the population increases, we need to burn fossil fuels for energy for new technology, causing an increase in greenhouse gases, such as carbon dioxide to be emitted
OK so All three of them produce most of their electric power by Burning coal.