Liquid water is a clear, colorless, and tasteless substance that is essential for life on Earth. It is made up of two hydrogen atoms and one oxygen atom, giving it the chemical formula H₂O. Liquid water exists in various forms, such as rivers, lakes, and oceans, and it plays a crucial role in weather patterns and ecosystems. At temperatures between 0°C and 100°C (32°F and 212°F) at sea level, water remains in its liquid state. It has unique properties, such as high surface tension and the ability to dissolve many substances, making it a vital solvent in biological and chemical processes. Liquid water is also important for agriculture, industry, and daily human activities.