The Home button is on the front of your iOS device, at the bottom. If the Home button doesn't work, follow these steps: 1  Press the Sleep/Wake button to lock your device. 2  Wait a couple of seconds. 3  Press the Home button. 4  Your device should wake up.
15 of the Largest Animals in the World. The blue whale (Balaenoptera musculus) is a marine mammal belonging to the suborder of baleen whales. At 30 metres (98 ft) in length and 180 metric tons (200 short tons) or more in weight, it is the largest known animal to have ever existed.
What is a cetacean? The blue whale may be the largest animal ever to inhabit the earth. It may have reached lengths of up to 31 meters (100 feet)--roughly the length of a basketball court. Blue whales have weighed up to 146 metric tonnes (160 tons).