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How did the Earth form and become spherical? The Earth's Shape : About five billion years ago the solar system was forming from gases and dust floating in space. Gravity, th

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CHEMICAL HAZARDS : Chemicals are present in all laboratories. It is good to consider all chemicals toxic and flammable unless one has definite information regarding its nature. Ou

How old is the earth, How old is the earth Ans) The earth has only very...

How old is the earth Ans) The earth has only very freshly been accurately dated. Until astonishingly recently, the earth was thought to be anywhere among a few hundred thousand

Food chain, a food chain that does not start with plants??

a food chain that does not start with plants??

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Explain the Passive Factors or Passive Soil Formers   Passive factors are by and large slow acting factors and include parent material, topography and time.

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Effects of Soil Aeration Some soil pores are full of O 2 and/or CO 2 gas.  These gases take part in the respiration of plants. We know that respiration involves the oxidatio

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Define the visual area of the Cerebrum The visual area lies behind the parieto-occipital sulcus and includes greater part of occipital lobes. Optic nerve passes from eyes to th

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