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The tasmanian cat 0

Extinct species in the recent times and causes of Extinction

The extinct species The numbers of living organisms are 10 million species now. There are about 138 species which become extinct every day, So, If the rate of extinction is constant. a great number...

The waves 0

Wave motion examples and types of waves

The waves The wave motion is an example of the periodic motion. the wave is a disturbance that propagates and transfers the energy in the direction of the propagation, You notice that the concentric...