Pictogram

A female elephant’s pregnancy lasts for 22 months – longer than any other land animal in the world.

A person can live without food for about a month, but only about a week without water. If the amount of water in your body is reduced by just 1%, you’ll feel thirsty. If it’s reduced by 10%, you’ll die.

We have better maps of the surface of Mars than our own ocean floor. With 72 percent of the Earth surface covered by water, humans have so far just explored 5 percent of this total area.

Technically speaking, “circle” refers only to the edge of the shape. When referring to the whole shape, including the space inside, the term “disk” is used. Source: Ask.com