Introduction Image: Water Pollution Water pollution is any impurities which comes from the surrounding area that gets water to polluted by mixed with water bodies. Human activities such as industrial and household waste are the big factor that’s causing water pollution. It is also polluted by the soil and other particles brought by the […]
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Flower Image:- Flower A flower is the beauty and soft part of the plant or tree. They grow at the top of the stem of a plant or tree. A flower presents in diffrent colours with fragrance in plant or tree. A beautiful fragrance of flower gives out a sense of freshness and peace to the
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Human Eye The human eye is an architectural wonder and one of the most remarkable sensitive sense organs in the body. It enables us to see the wonderful world and colours around us. Our eye is the most important optical instrument which is gifted to us by the God. It is generally 2.3 cm in
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Water Water is the most important substance for every single living being. Water is essential for life to exist on the earth. It is also habitat for aquatic life. It is made out of three atoms, two hydrogen and one oxygen. About 70% of the earth’s surface is covered with water. You will be surprised
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Wind Energy Wind Energy presents the process by which wind is used to generate electricity. It comes from the sun in an indirect way because of wind blows due to the uneven heating of the earth by the sun in different regions. The energy of wind is harnessed by utilizing a windmill. A windmill consists
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Nuclear Energy Nuclear energy comes from the splitting of uranium atoms in a reactor to produce heat to convert water into steam which is used by a turbine generator to generate electricity. It comes from the conversion of mass energy in the nuclei of atoms into heat energy of the material containing the nuclei which
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Soil Soil is the layer of broken rock particles and decaying organic matter on the surface of earth, which is essential for the growth of living organisms. Rock particles + Humus → Soil It is the most important renewable natural resource. It is a life – support medium, providing sustenance to plants and animals. All
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Light Light enables us to see things around us. This is a form of energy that we can detect with our eyes. It falls on objects, bounces off from their surfaces and reaches our eyes. It is the light that causes the sensation of vision in us. For example, the sun gives out light, therefore
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Heat The term Heat is a common noun. In English it is heat or warmth. In French chaleur, German warme, Latin calor etc. Heat is a form of Energy which can be felt but cannot seen. It causes the feeling of hotness or coldness. It always moves from a warmer place to a cooler place.
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Energy Energy is the word which comes from the Greek language. This is an ancient Greek word romanized from energeia operation. It was possibly appears in 4th century BC in the first time the work of Aristotle. Thomas Young was the first person who use the term “Energy” in modern sense in 1807. The source of
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