THINGS IN NATURE YOU SHOULD KNOW

1.It takes Pluto 293 years to revolve round the sun,which means that a year on Pluto is 203 years

2.Killer whales are only a specie of Dolphin
3.A 3/4 of the planet earth is composed of water
4.when you hear 'speed of sound' it means 330 meters/sec
5.The tallest building in the world is more than a thousand stories high
6.Pimples and boils on the skin are only dead skin cells
7.The human bone is stronger than cement
8.Trees use the carbon dioxide in the air and give off Oxygen which is essential to humans
9.Alcohol is a chemical compound called ETHANOL
10.Paper is made from gmelina trees
11.A box jelly fish is deadlier than the Black widow spider,so be careful on the beach
12.Exercise keeps you active,agile,healthy and smarter