Microbes are classified into various groups on the basis of their characteristics to make the study easier.
They clean the animals because, the oil will harm them otherwise. Meaning if the oil stay s on them long enough, it can harm them dramatically; In ways in which it may cause death.
Explanation:
Erosion by Ice Ice, usually in the form of glaciers, can erode the earth and create dramatic landforms. In frigid areas and on some mountaintops, glaciers move slowly downhill and across the land. As they move, they transport everything in their path, from tiny grains of sand to huge boulders.
