What purpose does the hydrosphere serve in the Earth’s life support system
Answers
A small portion of the water in the hydrosphere is fresh (non-salty). This water flows as precipitation from the atmosphere down to Earth's surface, as rivers and streams along Earth's surface, and as groundwater beneath Earth's surface. Most of Earth's fresh water, however, is frozen.
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Explanation:
point 1. The major importance of hydrosphere is that water sustains various life forms and plays an important role in ecosystems and regulating the atmosphere. Hydrosphere covers all water present on the Earth surface.
point 2. most of the chemical reactions that occur in life, involve substances that are dissolved in water. Without water, cells would not be able to carry out their normal functions and life could not exist. Water provides a habitat The hydrosphere provides an important place for many animals and plants to live.
point 3. The hydrosphere has enormous influence on human activities because it is essential to human survival. Man's interaction with the Earth's environment and natural resources, including with the hydrosphere, has placed at risk those resources and, consequently, life on the planet.
point 4. without the hydrosphere, there would be no water to evaporate and so no cloud or rain could form Without the atmosphere (giving us air to breathe and protection from incoming solar rays), there would be no life on Earth. It would be as barren as the moon.
point 5. It is in constant movement, transferring water and heat throughout the atmosphere in the form of water vapor and precipitation. The oceans (which make up more than 70% of earth's surface) absorb huge amounts of solar energy and radiation.
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