13} Absolute dating 14} The main causes of water pollution<span> are most often man made and</span>caused by increasing industrialization and human activities. Mostly the water bodies get polluted<span> with municipal, industrial and agricultural waste and their unplanned leaking, run off, dumping and disposal. 15} </span><span>Removing some of the overpopulated animals from a forest 16} </span><span>mechanical and chemical 17} </span><span>Yes, rocks at the surface can change from any type to igneous 18} </span><span>There are two main methods determining a fossils age, relative dating and absolute dating. Relative dating is ... For example if you have a fossil trilobite and it was found in the Wheeler Formation. The Wheeler ... Scientists can use certain types of fossils referred to as index fossils to assist in relative dating </span>
