váz
Víz, Hungarian for water, is a chemical substance with the formula H2O. It is a polar inorganic compound that is essential for all known forms of life.
At room temperature it is a liquid that is colorless, odorless, and tasteless. It has high surface
Earth’s water is distributed unevenly. About 97% of it is saline, leaving a small fraction of freshwater.
Water acts as a universal solvent and medium for chemical reactions in living organisms. It also regulates
Humans use water for drinking and cooking, agriculture, industry, energy generation, and sanitation. Managing freshwater involves
Disruptions to supply or quality, such as pollution or drought, can have lasting health and economic effects.