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What are the hydrosphere? Lithosphere? Biosphere? Atmosphere?

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  1. The hydrosphere, lithosphere, biosphere, and atmosphere are the four spheres that Earth contains.

    The hydrosphere is the aqueous or watery sphere of the earth (hydro- means water related). This is where all the water is.

    The lithosphere is the crust layer of the earth (litho- means rock, which is what the crust is made of).

    The biosphere is where all the life is on the earth (bio- means life).

    The atmosphere is where all the air is (atmos- means vapor).


  2. Hydrosphere : The aqueous envelope of the earth, including the ocean, all lakes, streams, and underground waters, and the aqueous vapor in the atmosphere.

    Lithosphere : The solid earth as distinguished from its fluid envelopes, the hydrosphere and atmosphere.

    Biosphere : The limit that creatures can live

    Atmosphere : The gaseous envelope of any celestial orb

  3. Parts of the earth:

    Hydrosphere - water

    Lithosphere - crust

    Biosphere - where life exists

    Atmosphere - air

  4. HYDROSPHERE:~

    A hydrosphere in physical geography describes the collective mass of water found on, under, and over the surface of a planet.

    LITOSPHERE:~

    The lithosphere is the solid outermost shell of a rocky planet.

    BIOSPHERE:~

    The biosphere is the part of the Earth, including air, land, surface rocks, and water, within which life occurs, and which biotic processes in turn alter or transform. From the broadest biophysiological point of view, the biosphere is the global ecological system integrating all living beings and their relationships, including their interaction with the elements of the lithosphere, hydrosphere, and atmosphere. This biosphere is postulated to have evolved, beginning through a process of biogenesis or biopoesis, at least some 3.5 billion years ago.

    Biomass accounts for about 3.7 kg carbon per square meter of the earth's surface averaged over land and sea, making a total of about 1900 gigatonnes of carbon.

    ATMOSPHERE:~

    An atmosphere is a layer of gases that may surround a material body of sufficient mass. The gases are attracted by the gravity of the body, and are retained for a longer duration if gravity is high and the atmosphere's temperature is low. Some planets consist mainly of various gases, and therefore have very deep atmospheres.

    The term stellar atmosphere is used for the outer region of a star, and typically includes the portion starting from the opaque photosphere outwards. Relatively low temperature stars may form compound molecules in their outer atmosphere. Earth's atmosphere protects living organisms from ultraviolet rays.

    ^_^

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