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Fossils types 0

The types of fossils and the ways of formation

The Fossils The fossils are the traces and the remains of the living organisms which are preserved in the sedimentary rocks, The traces of once old living organisms indicate its activity during its life...

Water in three states 0

The physical and the chemical properties of the water

Physical properties of the water  The water has a higher melting point, boiling point, and heat of vaporization than most common liquid. This fact indicates that there are strong forces of attraction between the...