BIOLOGY
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Animals In Danger Of Extinction
The animals in danger of extinction are all those species whose number decreased by more than half in the last three generations . This…
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Photosynthesis
Photosynthesis is the general process that uses light energy to synthesize organic compounds from carbon dioxide . The organisms capable of carrying out…
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Adolescence
Adolescence is the stage of transition between childhood and adulthood that involves biological, cognitive and socio-emotional changes. The word “adolescence” derives from the…
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Carbohydrates
Carbohydrates are biological molecules composed mainly of carbon, hydrogen and oxygen. They are the most abundant organic compounds in the…
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Biotechnology
Biotechnology is the use of living organisms or their products to create or modify products for utilitarian purposes . In its simplest version,…
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