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76Rendering Realistic Graphite Portraits. Book introduction by Jeremy Lee.
Rendering realistic Portraits These are the first few words of a new book on drawing that will soon be released as an e-book. It has over 33,000 words and over 100 illustrations. The reason I wrote the book is that there are literally hundreds of books on sketching and drawing, but I can't find a decent one that takes it to the next level and teaches people the methods used to create a finished work of art with nothing more than a pencil and paper.
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76Plants, Photosynthesis, and the rbcL Gene
Plants are a fundamental part of the existence of life. They utilize the energy of the sun in conjunction with inorganic compounds to manufacture carbohydrates and create biomass (Freeman, 2008). This biomass forms the basis of the food web as we...
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75The consequences of global warming - 3 major examples
Find out about some of the major consequences of global warming as well as an explanation as to what global warming is.
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73A Silent Killer
Have you ever been offered a cigarette? Did you ever consider having your first puff? Or are you a chain smoker already? Whether it’s you who is a smoker, or someone in your vicinity, you both are at risk - at a high risk of so many diseases. The...
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82Appliance Energy Usage: An Overview
From washers and dryers to home entertainment to cooking and cleaning, our household appliances are an indispensable part of daily life. However, these modern conveniences come at a cost - both to our wallets and to the environment. Home appliances are responsible for about 28% of a typical U.S. household's electric bill. Using our appliances wisely can both reduce our carbon footprint and our electric bills.
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75Is global climate change man-made?
Global climate change is a huge political issue at the moment some argue that global climate change is a natural effect while others that it is man-made. The Green house effect For the man-made argument the greenhouse effect plays a large role...
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75How to create a pleasant and healthy living in clean Environments at home or at your office
A clean and pleasant environment will not only protect our health but also our psychical balance. Crean air at home at work or in the csr could extend your live time as much as 5 YEARS
0 comments![Sodium Carbonate [Sodium Trioxocarbonate(IV)] and Sodium Bicarbonate [Sodium Hydrogentrioxocarbonate(IV)]](http://s2.hubimg.com/u/6642965_100.jpg "Sodium Carbonate [Sodium Trioxocarbonate(IV)] and Sodium Bicarbonate [Sodium Hydrogentrioxocarbonate(IV)]")
82Sodium Carbonate [Sodium Trioxocarbonate(IV)] and Sodium Bicarbonate [Sodium Hydrogentrioxocarbonate(IV)]
Sodium carbonate and sodium bicarbonate. Laboratory preparation of sodium trioxocarbonate(IV) salt. Solvay process and economics of the solvay process. Sodium hydrogen trioxocarbonate(IV) (sodium bicarbonate).
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83Careers in Organic Chemistry
Organic chemistry is the study of carbon compounds. These compounds occur in nature and are also made in the laboratory. They are very important in our lives.
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75Radiometric Dating: How Does It Work?
Since radioactive elements have a measurable half-life - the period of time needed for an amount of the substance to decrease by half - they can be used to measure the ages of rocks containing them. Over the past century this technique, known as radiometric dating, has allowed geologists to precisely date rocks from the Earth, the Moon, Mars, and meteorites, allowing them to establish the age of the Earth and our Solar System.
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