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Introduction

Water is the most common liquid in earth. Water forms 70% of the Earth's surface. Most of the water on Earth, 97% is salt water found in the oceans. Only about 3% of Earth's water is fresh. Water also makes up 55% to 78% of the human body. 2% of the earth’s water is solid form, or frozen.1% of all the earth’s water is usable to drink, bathe or irrigate crops. It comes from lakes, rivers, streams, ponds, and in the ground. Some of it is found as vapor in the atmosphere.

Main Body

Water, also known as H2O is an inorganic compound. It is composed of the elements hydrogen and oxygen. It doesn’t contain any carbon so it’s an inorganic compound. An organic compound is a substance containing the element carbon. An inorganic compound contains no carbon. A compound is a substance that is made up of atoms of two or more different elements joined by chemical bonds. Since it is made up of oxygen and hydrogen it’s a compound. Water is also shown as water cycle such as: melting, evaporation, boiling, condensation, and sublimation. Water’s boiling point is 100°C or 212°F. Its melting point is 0°C or 32°F. Its viscosity is 0.001.

Conclusion
Water is said to be very important substance to humankind. It is used for plants,animals and humans. By 2025 more than half of our water will be gone.