Explain the evolution of the earth?? (lithosphere, hydrosphere, atmosphere)
Answers
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Lithosphere
Earth's lithosphereincludes the crust and the uppermost mantle which constitute the hard and rigid outer layer of the Earth.
The lithosphere is subdivided into tectonic plates.
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Hydrosphere
Scientists are pretty confident that around 3.8 billion years ago Earth had a similar amount of water compared to today.
And we know that Earth formed about 4.6 billion years ago. It is the period in between these dates where Earth's hydrosphere formed.
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Atmosphere
Scientists believe that the Earth was formed about 4.5 billion years ago.
It is believed that there was intense volcanic activity for the first billion years of the Earth's existence.
The early atmosphere was probably mostly carbon dioxide with little or no oxygen.
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Answer:
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HERE IS UR ANSWER
EVOLUTION OF THE EARTH
IN THE BEGINNING EARTH WAS BARREN ROCKY AND HOT SPARES WITH A VERY THIN ATMOSPHERE CONSISTING OF HYDROGEN AND HELIUM AT PRESENT THE EARTH IS BEAUTIFUL WITH A LOT OF GREENERY WATER AND THE ATMOSPHERE THESE CONDITIONS ARE CONDUCTIVE TO EXTEND OF LIFE ON EARTH WHICH HAVE LED TO EVOLUTION OF LIFE BETWEEN 4600 MILLION YEARS
AND THE PRESENT THE EARTH HAS A LAYERED STRUCTURE WITH EACH LAYER FORM THE OUTERMOST AND OF THE ATMOSPHERE TO THE CENTRE OF THE EARTH HAVING DIFFERENT MATERIAL
DEVELOPMENT OF LITHOSPHERE
MOST OF THE HEAVENLY BODIES ARE MADE OF A COMBINATION OF LIGHTER AND HAPPY MATERIALS AND THE EARTH IS NO EXCEPTION DIFFERENT MATERIALS OF THE EARTH HAVE DIFFERENT DENSITY AND THE MATERIAL INSIDE THE EARTH GET SEPARATED ACCORDING TO DENSITY.
EVOLUTION OF ATMOSPHERE AND HYDROSPHERE
EVOLUTION OF THE ATMOSPHERE HAS TAKEN PLACE IN 3 DISTINCT STATE
THE FIRST STAGE WAS MARKED AND LOSS OF THE PREDOMINANT ATMOSPHERIC WHICH CONSISTED OF HYDROGEN AND HELIUM
IN THE SECOND STAGE MUCH OF THE EVOLUTION OF THE ATMOSPHERE TOOK PLACE DUE TO THE POWER IN INTERIOR OF THE EARTH
IN THE THIRD AND FINAL STAGE THE ATMOSPHERE WAS MODIFIED BY THE PROCESS OF PHOTOSYNTHESIS.
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