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Unconformity: a contact between two rock formations often recorded by a change in the angle of dip of the beds, representing a considerable break in continuity, and time. The understanding of unconformities can be a catalyst to a geologists comprehension of the true extent of geological...
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An investigation into how the amount of oxygen is produced by changing one variable effects the decomposition of Hydrogen Peroxide in the presence of the enzyme. Hydrogen peroxide Water + Oxygen 2 H2O2 2H2O + O2 This shows us that when the H2O2 has reacted with the...
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Aim: I am going to investigate how different surface areas, and therefore enzyme concentration, of the same volume of potato affects rate of reaction, when placed in 10ml hydrogen peroxide. Prediction: As the surface area increases, so do the amount of enzymes, which are biological catalysts that...
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Aim: To investigate the effect of different concentrations of heavy metal chloride on the growth of cress seedlings. Heavy metals like zinc, mercury, lead and cadmium are found in many places or items of everyday use. For example, mercury is found in batteries, cadmium in paints and lead is...
Words: 3008
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Introduction Photosynthesis is a process where plants make glucose food using sunlight as an energy source. The word equation for photosynthesis is Carbon dioxide + water glucose + oxygen Chemical is 6co g + 6h 0L c6h o L The factors that affect the...
Words: 742
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How has globalization changed Vietnam After many years of war with France and the United States, Vietnam closed its economy to the outside world and attempted to control its own destiny. This was not successful and the country decided to open its doors to globalization in the 1980s...
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Crop rotation is the practice of growing a series of dissimilar types of crops in the same space in sequential seasons to avoid the buildup of pathogens and pests that often occurs when one species is continuously cropped. Crop rotation also seeks to balance the fertility demands of various...
Words: 579
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Study of Sand Dune Vegetation Succession in Morfa Harlech, North Wales. Step 1: Identification of a Question. To what extent does the Harlech dune system conform to the model of plant succession across a sand dune transect? This question is best fit to this project because it...
Words: 994
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Scientific Back round: Osmosis is defined as the net movement of water or any other solution's molecules from a region in which they are highly concentrated to a region in which they are less concentrated. This movement must take place across a partially permeable membrane such as...
Words: 1178
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Scientific Back round: Osmosis is defined as the net movement of water or any other solution's molecules from a region in which they are highly concentrated to a region in which they are less concentrated. This movement must take place across a partially permeable membrane such as...
Words: 1178
View(s): 4266
Comment(s): 0