Question

Explain the need to protect the four realms of the earth?

Answer 1

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The four realms of earth : lithosphere , hydrosphere , biosphere and atmosphere. ... Biosphere : the biosphere is the narrow zone where the lithosphere , the hydrosphere and the atmosphere come in contact with one another.this realm contains all the living organisms found on the earth .

Answer 2

The needs to protect the four realms (eg. Lithosphere, Hydrosphere, Biosphere, Atmosphere) of the earth are -

• The lithosphere is the land surface of the earth where we are living in the present time and to save our only habitat we have to save the lithosphere.

• The hydrosphere is the total water contents of our planet and we all know that water is extremely necessary for our survival. That's why we have to save the hydrosphere.

• Biosphere is the whole organic substances present in our planet which is extremely necessary for ourselves and we have to save it.

• Atmosphere is the only source of oxygen of our respiration and that's why we have to save it.