Because out of that very low chance of winning there a 30 you can win
Figure out and understand how exactly you learn and process things and information then simply take it from there.
Read the books given to you and Bing/Google search things of your questioning. Read over the things you will be tested on, Get some nice study music on (something you enjoy nothing to genetic), read your books, quiz yourself to make sure you understand and take these ideas and create your own solutions through figuring out how you'd like to get ready.
The answer is b thats because most volcanoes form at boundaries of earths tectonic plates. tectonic plates move apart from one another
The best answer is C. Tailings are dangerous because they can release toxic elements into the groundwater or surface water. Tailings are the waste materials after the process of extracting the valuable part in a mine. These waste materials have a big potential to destroy the environment because they can release toxic substances which include arsenic and mercury. These tailings can contaminate water bodies.