General Purpose: To persuade Specific purpose: After listening to my speech‚ my audience will know how they can change their lives for a bigger challenge – to save the world. Thesis: Knowing what a problem nowadays is global warming‚ how CO2 gas affects it and how can we change it. Title: Lifestyle to make some changes INTRODUCTION I. Attention Material: Question “Do you know that using cars for the
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|Describe the mechanism of breathing -- how we inhale and exhale air | | |Give the role of the diaphragm‚ the intercostal muscles and brain (exclude CO2‚ levels) in breathing | | |Explain pressure changes in the thoracic cavity during breathing | |
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Harnessing of Solar Energy: Photosynthesis versus Semiconductor Based Solar Cell Photosynthesis and semiconductor-based solar cells are both used to harness solar energy from the sun – photosynthesis for plants and semiconductor based solar cells for human beings. Photosynthesis consists of light reactions and dark reactions. It is a process in which carbon dioxide (CO2)‚ water (H2O) and light energy are utilized to synthesize an energy-rich carbohydrate like glucose (C6H12O6) and to produce
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Photosynthesis Photosynthesis is the process by which green plants manufacture their own food. This occurs in presence of sunlight and other raw materials‚ namely carbon dioxide and water. The chlorophyll pigment harvests the light energy from sunlight‚ which is then converted into glucose by the phenomenon of photosynthesis. In short‚ it is the opposite of aerobic respiration. The equation for photosynthesis is: 6 CO2+ 6 H2O + Light energy → C6H12O6 + 6
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Chapter 1 * animal Multicelled consumer with unwalled cells; develops through a series of stages and moves about during part or all of the life cycle. * archaean Member of a group of single-celled microorganisms that superficially resemble bacteria‚ but are genetically and structurally distinct. * atom Particle that is a fundamental building block of all matter. * bacterium Single-celled organism belonging to the Domain Bacteria; cells are typically walled and do not
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carbon suspended in the air‚ produced as a result of burning coal and oil. While smoke remains in the air‚ it can reduce the light intensity at ground level; hence reduce the overall rate of photosynthesis. Deposits of smoke‚ or more particularly‚ soot and ash‚ may coat plant leaves directly reducing photosynthesis by preventing light penetration or even by clogging stomatal openings. The pollutants involved in acid rain are sulphur dioxide‚ oxides of nitrogen‚ ozone and various volatile organic vapours
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aquatic phytocoenosium can be divided as Myriophyllum spicatum-Trapa maximowiczii‚ Nymphoides indica-Elodea nuttalli‚ Trapa maximowiczii-Limnanthemum nymphoides‚ Elodea nuttalli-Limnanthemum nymphoides. Lake East Taihu community diversity is relatively stable‚ but the diversity of Jun. is lower than the diversity of Sep‚ which could be the effect imposed by the artificial cultivation of Elodea nuttal. KEYWORDS: Lake East Taihu; Hydrophyte; Community diversity; Spatial and temporal distribution
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result of their random movement 2 Describe the importance of diffusion of gases and solutes and of water as a solvent. Gases Necessary for gas exchange in all living organisms Necessary for obtaining Carbon Dioxide and releasing oxygen during photosynthesis. Solutes (liquids) Dissolved salts dissolve through root hair cell. Absorption of dissolved food material in many organisms‚ like amoeba‚ bacteria and fungi is carried out through diffusion. Some digested food material is absorbed by diffusion
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......................................4 Size range and diversity of structure.............................................................4 Distribution and abundance...........................................................................5 Photosynthesis and light-absorbing pigments......................................................6 The effects of water on light absorption........................................................7 Nutrient storage............................................
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Carbon Dioxide is a colorless‚ odorless gas that occurs in small quantities in the earth’s atmosphere naturally. The earth’s ocean‚ soil‚ plants and animals release CO2. The formula of Carbon Dioxide is CO2. The CO2 molecule contains 2 oxygen atoms that each share 2 electrons with a carbon atom to form 2 carbon - oxygen double bonds. The atoms are arranged as so (OHT). This is called a ’linear molecule’. Carbon dioxide is commonly found as a gas and is never a liquid. It sublimes to
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