TOP 60 QUESTIONS – ECONOMIC GRADE 11 1 Each of the factors of production earns an income. What are the incomes for land and capital? A B C D 2 the additional washing machines produced the cost of producing ovens the cost of producing washing machines the loss of production of ovens What is an advantage of the market economic system? A B C D 4 It aims for equality of income. It ensures the provision of defense and law and order. It gives an incentive to produce.
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process of composting using various worms‚ usually red wigglers‚ white worms‚ and other earthworms to create a heterogeneous mixture of decomposing vegetable or food waste‚ bedding materials‚ and vermicast. Vermicast‚ also called worm castings‚ worm humus or worm manure‚ is the end-product of the breakdown of organic matter by an
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dark colour of the Brown Earth soils. Humification occurs when the organic matter on the surface of the soil is broken down and decomposed to form a substance called humus. The leaves of deciduous trees fall and decay in Autumn forming a layer of dark humus. This humus is washed into the soil by rainfall. The presence of this layer of humus makes Brown Earth soils very fertile The Brown Earth soils have a uniform colour throughout and have no distinct horizons. The Cool Temperate climate is warm enough
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within farming are for the German-speaking world Rudolf Steiner‚ founder of a farming method called biodynamics‚ and Annie Francé-Harrar‚ who was appointed on behalf of the government in Mexico and supported the country 1950–1958 to set up a large humus organization in the fight against erosion and soil degradation. In the English-speaking world it was Sir Albert Howard who worked extensively in India on sustainable practices and Lady Eve Balfour who was a huge proponent of composting 1.0
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raw materials came much later. Originally land was used for agriculture to supply food for human beings by the use of organic manures particularly animal dung. At the beginning land was used in its natural form to grow food. Land contains natural humus that supplies nutrients for crop. But people began to think that natural fertility of land cannot supply sufficient food crops for human to survive. This belief became concrete when Thomas Robert Malthus wrote in 1798 that population grows at a faster
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BE8504 Soil Science Experiment 8 - Loss On Ignition Singapore Polytechnic DEWT/FT/1A/01 Aim: To determine the concentration of organic contaminants in soils by using the Loss in ignition method. Introduction: The quantity of organic matter in soil is determine by either direct or indirect methods. Direct method target the destruction of all organic matter‚ after which the loss in weight of soil is taken as the organic content. Two methods are commonly used to achieve destruction of organic
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compostable material biodegrades substantially under specific composting conditions. It is metabolized by the microorganisms‚ being incorporated into the organisms or converted into humus. Benefits of Using Compost Composting upcycles organic kitchen ‚ yard and agro-industrial waste and manures into an extremely useful humus-like‚ soil end product‚ permitting the return of vital organic matter‚ nutrients‚ and particularly bacteria‚ that are vital to plant nutrition to the soil. Long used in subsistence
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John Gomez Mr. Sterling MicroBio. Bioremediation of explosive contaminated soil "It has been estimated that there are thousands of explosives-contaminated sites within the United States‚ and even a greater number in Europe and the Soviet Union."(2) TNT (2‚4‚6- trinitrotoluene) is one of the most popular explosives used by military forces‚ and due to improper handling and disposal techniques TNT and its derivatives‚ have polluted environments to levels that threaten the health of humans‚ livestock
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The High Plains Food Bank and garden is an amazing agency that provides meals to thousands of people around the panhandle as well as throughout the world. They also provide programs that teach people about how to get the nutrition they need to lead healthy lifestyles. They offer classes over the basics of nutrition‚ cooking with what you have‚ buying on a budget‚ and on organic gardening as well. Which are all reasons why I have been very excited to help and to learn about everything that The High
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Investigation into Succession in Sand Dunes. Scientific Knowledge: Succession is a long-term direction of change in the composition of a community‚ brought about by the organisms themselves. Primary succession occurs when a community develops on bare/uncolonised ground‚ which has never had vegetation growing on it. A good example of primary succession is that of succession on sand dunes. Secondary succession occurs on ground that has previously been colonised but is now available because
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