Epicenter

Speaking on the floor of many environmental events and disasters, when these events occur due to natural factors related to the...

Ozone gas

Ozone gas,  (Ozone) is a gas composed of three oxygen atoms, and carries the chemical formula (O3) ,, also write this formula ...

Stages of the water cycle in nature

Water is the most important elements needed by the body of the organism an interview that he is almost two thirds of body wei...