HYDROSPHERE, ATMOSPHERE, SOLAR ENERGY

Hydrosphere, Atmosphere, Solar energy

Hydrosphere, Atmosphere, Solar energy

THE hydrosphere in physical geography describes total mass of water found on low and on surface of the planet. Total mass of hydrosphere of Earth is about 1.4 × 1018 tonnes, which is about 0.023% of total mass of Earth. About 20 × 1,012 tonnes of this is in Earth's atmosphere (volume of one tonne of water is about 1 cubic meter). Approximately 75% of Earth's surface, an area of some 361 million square kilometers (139.5 million square miles) is covered by ocean. Average salinity of oceans on Earth is about 35 ...