What does an elephant use it's tusks for?

Adult Male Elephants have the longest and largest tusks of all elephant species. The Tusk is nothing but a teeth that has grown out of the skull. Just like a human teeth, it is made of calcium and other minerals. It is used as a display of size and strength and sometimes during fights or to bring down a tree while feeding. Females usually have a very small tusk or no tusk at all.