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.
By considerable measure, the largest known animal on Earth is the blue whale. Mature blue whales can measure anywhere from 75 feet (23 m) to 100 feet (30.5 m) from head to tail, and can weigh as much as 150 tons (136 metric tons).
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).