PLASTIC BAGS Introduction One of the most commonly used items in modern generation is the plastic bag. Sufficient‚ convenient‚ strong and cheap‚ plastic bags are seem to be perfect for marketing merchandise‚ foods‚ drinks and more. However‚ there are associated issues with the production‚ use and disposal of these bags which may not be known to most users but which are nonetheless extremely important especially to the environment. To fully understand the ecological footprint of plastic bags‚ determining
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ENDANGERED SPECIES IN DOUGHERTY COUNTY BALD EAGLE [pic] FOR: SCIENCE MR. DEGUIRE Name / Scientific Name [pic] The bald eagle (Haliaeetus leucocephalus)‚ our national bird‚ is the only eagle unique to North America. The bald eagle’s scientific name signifies a sea (halo) eagle (aeetos) with a white (leukos) head. At one time‚ the word "bald" meant "white‚" not hairless. Bald eagles are found over most of North America‚ from Alaska and Canada to northern Mexico. About half of the
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A Study to Determine the Level of Iron and Copper in Kuala Terengganu Estuary Muhammad Ali Azraei Bin Raduan ( UK32844 ) Lecturer Dr. Kesaven a/l Bhubalan Introduction : Kuala Terengganu River estuary (5.32°-5.35°N‚ 102.95°-103.15°E) is situated on the east coast of peninsular Malaysia facing the South China Sea (figure 1). Generally‚ the Kuala Terengganu River estuary is relatively small and shallow. The total area of the estuary is approximately 8 km2
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COMPANY PROFILE Royal Dutch Shell plc REFERENCE CODE: D92F7766-4521-4359-857D-3E0F3A288EAB PUBLICATION DATE: 6 Feb 2015 www.marketline.com COPYRIGHT MARKETLINE. THIS CONTENT IS A LICENSED PRODUCT AND IS NOT TO BE PHOTOCOPIED OR DISTRIBUTED. Royal Dutch Shell plc TABLE OF CONTENTS TABLE OF CONTENTS Company Overview..............................................................................................3 Key Facts...........................................................................
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Running head: Organic Chemistry Tamanna Ashraf Palm Beach State College Principle of Chemistry Ceravolo‚ Joseph MW 11:00am-12:15pm February 6th‚ 2011 We all are living in a science world. Everything has some kind of reaction going on in our living area. It is just we do not get to see or realize that where n how we having our life much easier than it used to be. In these writing assignments‚ the topic is about the organic chemistry. In organic chemistry‚ we all have different kinds of compounds
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Int. J. Chem. Sci.: 7(4)‚ 2009‚ 2617-2623 NITRIC OXIDE RADICAL SCAVENGING ACTIVITY OF AQUEOUS EXTRACT OF TERMINALIA BELERICA BARK AKHLESH SINGHAI*‚ GOVIND NAYAK‚ ASHOK BUDHWANIa and ASHISH SINGHAIb Lakshmi Narain College of Pharmacy‚ BHOPAL (M.P.) INDIA a Daksh Institute of Pharmacy‚ CHHATARPUR (M.P.) INDIA b VNS Institute of Pharmacy‚ BHOPAL (M.P.) INDIA ABSTRACT In the present investigation‚ am attempt has been made to investigate the in vitro antioxidant potential of aqueous extract of
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CHLORINE DIOXIDE AND CHLORITE 105 7. ANALYTICAL METHODS The purpose of this chapter is to describe the analytical methods that are available for detecting‚ measuring‚ and/or monitoring chlorine dioxide and chlorite‚ its metabolites‚ and other biomarkers of exposure and effect to chlorine dioxide and chlorite. The intent is not to provide an exhaustive list of analytical methods. Rather‚ the intention is to identify well-established methods that are used as the standard methods of analysis
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Fracking has become a nation wide debate and one that doesn’t seem to have an end. The state of North Carolina is one of the most involved areas of the fracking process. “North Carolina is sitting on top of large natural gas reserves (WRAL 1).” For this reason‚ many natural gas companies come to North Carolina for business. This helps the states economy because it produces more income and creates more jobs. The only problem is that the hydraulic fracking process has a reputation of contaminating
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Top of Form Bottom of Form Chemical Compound Formulas Chemistry is the study of the composition of matter and its transformation. A substance can be considered matter with definite properties that establishes its identity. The tremendous number of chemical compounds has been categorized into numerous categories. A broad classification distinguishes between inorganic and organic compounds. Organic compounds are carbon based. Inorganic compounds exclude compounds exclude compounds based on carbon
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about 0.142 nm. • Andre Geim and Konstantin Novoselov shared the Nobel Prize in Physics 2010 for the groundbreaking experiments regarding the 2D graphene. Type of spn hybridisation Digonal sp Trigonal sp2 Tetrahedral sp3 Example Acetylene C2H2 Ethylene C2H4 Methane CH4 Orbitals used for bond s‚ px s‚ px‚ py s‚ px‚ py‚ pz Bond angle 180° 120° 109.5° Digonal bond (sp) Trigonal bonds (sp2) Tetrahedral bonds (sp3) 4-3 4-4 Fullerene (C60): • C60 was named after the architect R
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