__M__obligate anaerobe __D__facultative A. an organism that consumes methane. B. B. an organism that creates methane. C. an organism that requires oxygen. D. an organism that can tolerate either the presence or absence of oxygen. E. an organism that obtains its carbon from either organic or inorganic compounds F. an organism that obtains its carbon from organic compounds. G. an organism that obtains its
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Write your name here Surname Other names Centre Number Candidate Number Edexcel IGCSE Chemistry Unit: 4CH0 Science (Double Award) 4SC0 Paper: 1C Wednesday 25 May 2011 – Morning Time: 2 hours Paper Reference 4CH0/1C 4SC0/1C You must have: Ruler Candidates may use a calculator. Total Marks Instructions black ink or • Usein the boxesball-point pen. page with your name‚ Fill at the top of this • centre number and candidate number. all • Answer
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consumption of energy sources that are used to get us through our everyday lives! Our most common methods of generating energy are polluting our beloved planet Earth and tearing up the ozone layer. Also‚ many of these methods we are currently abusing to generate energy are non-renewable. Thats means we could run out any day now. This is a formula for complete disaster‚ but don’t be scared. Like most things we can fix this situation we have put ourselves into with alternative energy sources. Sorry
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Efficient Energy Harvester for Microbial Fuel Cells using DC/DC Converters Abstract— Microbial fuel cell (MFC) is an emerging technology for sustainable energy production. An MFC employs indigenous microorganisms as biocatalysts and can theoretically convert any biodegradable substrate into electricity‚ making the technology a viable solution for sustainable waste treatment or autonomous power supply. However‚ the electric energy currently generated from MFCs is not directly usable due to the low
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of the Cell Overview: The Importance of Cells • All organisms are made of cells. o Many organisms are single-celled. o Even in multicellular organisms‚ the cell is the basic unit of structure and function. • The cell is the simplest collection of matter that can live. • All cells are related by their descent from earlier cells. Concept 2 Eukaryotic cells have internal membranes that compartmentalize their functions Prokaryotic and eukaryotic cells differ
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more than enough energy to satisfy global energy needs for an entire year. Solar energy is the technology used to harness the sun’s energy and make it useable. Solar Energy is the energy from the Sun. The Sun is a big ball of heat and light resulting from nuclear fusion at its core. The nuclear reaction releases energy that travels outward to the surface of the Sun. Along the way to the surface the energy transforms so that by the time it is released it is primarily light energy. The two major
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Jaycar Electronics Reference Data Sheet: BATTPRIM.PDF (1) PRIMARY CELLS & BATTERIES Many portable electrical and electronic devices are designed to be powered from batteries and in a lot of cases‚ from primary or non-rechargeable batteries. This is the familiar kind of battery which has a fixed amount of energy stored in it during manufacture‚ and once that energy has been used up the battery is simply thrown away and replaced. There are many different types of primary battery now available
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Euthanasia and Physician Assisted Suicide Killing and Allowing to Die by Daniel Callahan 2. Do you agree with Callahan that the power of the physician much be used "only to cure or comfort‚ never to kill"? Callahan spends his essay noting the differences between killing a person and allowing them to die. He creates three separate fields that distinguish why allowing a person to die is not killing them. Metaphysically‚ Morally‚ and Medically‚ the two types of death are not equal in manner. Callahan
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think that social media should not be available to minors because of the potential dangers that are involved. However allowing minors to use social media allows them to interact with many people and gain more knowledge about society. Minors should be allowed to use social media as it allows them to excel in their social skills and give them knowledge of current events. Allowing minors to to use social media takes away their characteristic of being antisocial‚ as well as making them very knowledgeable
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In the 5000m race the runner must use all 3 energy systems ‚ which are ATP‚ aerobic and lactic acid systems to succeed as the race has different areas needed for their use‚ all 3 energy systems contribute regardless of the intensity or duration of the exercise. When the athlete comes to the starting line he/she most probably will want to make a dashing start to the race to tactically get a good starting position‚ so must get off the line‚ in the first 40-50m‚ as hard as he or she can. By getting
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