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Capacity to do work is known as energy. It is very important input for all our activities like cooking food, driving vehicle and running industries. The most important challenge that humanity is facing in 21st century is availability of clean, secure and sustainable energy supply.
Energy sources are broadly divided into two categories. Renewable and renewable energy sources which are further divided into many sub categories:
These sources are regenerated by natural processes so that can be used indefinitely. These are:
(i) Solar energy (ii) water (iii) wind
(iv) Tidal (v) biomass (vi) geothermal
(viii) Ocean thermal energy
Why making a smoke print of a leaf
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What is extracellular digestion? Extracellular digestion is that in which food breaking into utile molecules that can be internalized by the cell is completed in the extracellu
Energy Metabolism In the preceding sections of the unit, you studied how the products of digestion of food, viz: amino acids, sugars and fatty acids are absorbed and transport
What is Phospholipids ? Phospholipids : Phospholipids are similar to triglycerides, except that they contain only two fatty acid, and one or both of the fatty acids have
whatismicrobiology
Draw and describe the structure of amphibian,reptile mammal and bird
what is skeleton?
Class Gastropoda Body asymmetrical, depicts torsion or its effects; shell coiled in most, well developed head with radula, large flat foot, gills one or two or with pulmonary
What are the major natural plant hormones and what are their respective effects? The major natural plant hormones and their respective functions are the following- Auxins that
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