Antibiotics are powerful medicines that fight bacterial infections. Used properly, antibiotics can save lives. They either kill bacteria or keep them from reproducing. Your body's natural defenses can usually take it from there. Antibiotics do not fight infections caused by viruses, such as.
Whale Shark. The Whale Shark is the largest and the heaviest living shark because its weight is more than 21 tons and its length is more than 12 meter. It is found in open oceans and warm waters. It feeds on plankton but some times it also uses other small fishes as food.
Today, the largest shark roaming the oceans is the huge whale shark. Unlike the megalodon, whale sharks are not predators. Instead, they're slow-swimming giants that eat mainly plants and plankton. Although not the size of the megalodon, whale sharks are still really big. They can grow to be over 40 feet long and weigh over 15 tons, which makes them the largest fish in the world.