1. Why do black-capped chickadees produce longer “chick-a-dee” alarm call for more threatening predators? Do more intense D notes signaling caught more attention from the predators? How can this be explained by natural selection (Templeton‚ Greene‚ & Davis‚ 2005)? Evidently‚ chickadees produce more intense “chick-a-dee” alarm call for smaller predators than larger predators. We could explore why natural selection favor this signaling behavior because producing longer D notes tend to caught more attention
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Cold Chain Industry z Avalon Perspectives 2007 The Sun Rises on the Cold Chain Industry : The Impact of Organized Retail www.consultavalon.com Raison d’être In the backdrop of the modernization of Indian retail and the existing structure of the cold chain industry in India‚ this paper attempts to answer two questions – one‚ to what extent will the demand for cold chains rise in India; second‚ will this demand be met captively by retailers or will it be an opportunity for independent
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followed by 35.77% gas‚ and 7.89% oil‚ and less than 11% from renewable energy (PLN et al‚ 2012). These statistics illustrate how much Indonesia depends on fossil fuel to produce electricity. The use of fossil fuels to produce energy is unavoidable‚ but the government should consider using more sustainable resources to produce energy. If we keep using our fossil fuels‚ at some point in the future Indonesia will run out of resources. It is true that now the cheapest way to
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Greenfield Bio Plantations – Website Content HOME Our Products are deliciously fresh and hail from our very own garden estates. We grow‚ process‚ and pack at the point of origin‚ making our food crops one of the best and flavourful assortment of produce you could taste. We export value-added‚ certified‚ organic fair-trade tea‚ fruits‚ nuts‚ spices‚ herbs and coconut products. Our Company was founded upon the core values of being ethical to the farmer community‚ adhering to organic farming and maintaining
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Economic systems meet the needs of their people by determining what to produce‚ how to produce it‚ and who will buy it. Capitalism gives the people the freedom to make their own choices in what to do produce and so forth. On the other hand‚ a communist economy guarantees certain necessities for the people‚ such as jobs‚ food‚ clothing‚ and shelter‚ but the people have little/no choice in what kind. Though these two economic systems are run differently‚ the government in each will step to fill in
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algebra operations a) ПhotelNo(σprice>100(Room)) It will produce a single attribute (hotelNo) giving the number of hotels room prices greater 100. b) σHotel.hotelNo=Room.hotelNo(Hotel X Room) A join produce of hotel and room containing all the attributes of both. c) ПhotelName(Hotel Hotel.hotelNo=Room.hotelNo (σprice>100(Room))) It is a join of hotel and room with the price greater than 100. d) Guest(σdateTo>’1-June-12’(Booking) It produces a join of guest and booking with an end date greater than
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Why Did Global Food Prices Rise? 1. Farmers in the United States and in Europe benefit from government policies to promote the production of ethanol because they receive government subsidies to produce crops that can be turned into biofuels and it gives the farmers an incentive to plant crops such as corn and soybeans. However‚ this policy harms foreign producers of these foreign crops. Since U.S. and European farmers have subsidies‚ they have lower costs than the foreign farmers and the foreign
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the end of the chain combine with 2 Hydrogen ions and ½ O to produce water. This is the complete opposite. NADPH + H is produced at the end of the chain in photosynthesis. In respiration‚ it is fed into the beginning of the chain and in the last step of photosynthesis. In respiration‚ the first step the breakdown of pryuvic acid. The Calvin cycle requires NADPH plus a Hydrogen ion and takes place in the stroma. The Krebs’ cycle produces NADH plus a Hydrogen ion and takes place in the matrix. Photosynthesis
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his lawn‚ he gains from trade? as long as he pays less than $20‚000 for someone to mow his lawn 10. Suppose the income elasticity for good X is 0.8. Good X? has inelastic demand‚ is an inferior good 11. Sue can produce 4 dozen cookies or 2 dozen cupcakes in one hour. David can produce 6 dozen cookies or 4 dozen cupcakes in one hour. Sue ’s opportunity cost of 1 dozen cookies is? 2 dozen cupcakes and David ’s opportunity cost of 1 dozen cookies is 1. 5 dozen cupcakes‚ 2 dozen cupcakes and David
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The production possibilities (PP) curve is a graphical medium of highlighting the central problem of ’what to produce’. To decide what to produce and in what quantities‚ it is first necessary to know what is obtainable. The PP curve shows the options that are obtainable‚ or simply the production possibilities. What is obtainable is based on the following assumptions: 1. The resources available are fixed. 2. The technology remains unchanged. 3. The resources are fully employed. 4. The resources
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