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Summary
>When nitrogen is heated with calcium carbide at 800 o C to 1000 o C, nitrolim an important fertilizer is formed. Nitrogen is used in high temperature thermometers, as a refrigerant and in electric bulbs. Nitrogen cycle charts the circulation of nitrogen compounds in nature, through the various org..
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The fundamental principle of counting (F.P.C) states that if an operation can be performed in m different ways and if for each such choice, another operation can be performed in n different ways, then both operations, in succession can be performed in exactly mn different ..
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According to the modified cell principle, new cells arise only from pre-existing cells. Cells transfer their genetic information only by way of cell divisio..
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It is seen as a great power of nature that destroys in order to create, that kills the unhealthy and the decaying to make way for the new and the fres..
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. Fired and spent, her voice lost its beauty and the creatures stopped coming to hear her sing. Morose and depressed, she refused to sing, but the frog goaded her to practice. Scared and unhappy, the nightingale tried, burst a vein, and died. The frog, unsympathetic, dismissed her off - c..
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Ode to the West Wind is a poem addressed to the west wind. It is personified both as a "Destroyer" and a "Preserver". It is seen as a great power of nature that destroys in order to create, that kills the unhealthy and the decaying to make way for the new and the fresh. The personific..
Ode to the West Wind is a poem addressed to the west wind. It is personified both as a "Destroyer" and a "Preserver". It is seen as a great power of nature that destroys in order to create, that kills the unhealthy and the decaying to make way for the new and the fresh. The personific..Summary
In photosynthesis, light energy is converted to chemical energy and carbon is fixed into organic compounds. Light energy is captured by the living world by means of pigments. The pigments involved in photosynthesis in eukaryotes include the chlorophyll and carotenoids. Light absorbed by the pigment..
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Science is the way by which a person gets at the truth or at least as close to truth as possible. The basis of science is its orderly stepwise procedure - the scientific method. Scientific method employs various procedures such as, accurate observation, asking questions about the ..
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The symbol of an element is a short way of representing an element . Some symbols are named after the first capital letter of the English name of the element. When there is more than one element starting with the same English capital alphabet, the second letter is also used in its lo..
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. When a nucleus emits radiation it is said to decay. Rays from radioactive isotopes are dangerous to living things but are also useful in variety of ways. Exposure to large amounts of radiation is harmful to health. All radioactive materials should always be handled with care and kept in..
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