The organism’s body must be buried immediately after death in a medium that preserves it from decomposition. The organism must have a hard skeleton. A suitable medium must be found in which the mineral...
Fossils are the traces and the remains of living organisms that are preserved in the sedimentary rocks. The traces of once old living organisms indicate their activity during their life, and the remains are...
Water pollution is the addition of any water substance that causes a gradual, continuous change in water properties and affects the health and life of living creatures. Drinking water does not depend on its colour or...
Physical properties of the water The water has a higher melting point, boiling point, and heat of vaporization than most common liquids. This fact indicates that there are strong forces of attraction between the...
