.... use heroin. In the United Stated alone, there are between 500,000- 750,000 heroin addicts. Heroin is often mixed with cheaper substances, so that the dealer can make a larger profit. Since addicts don't know about the purity of a substance, many die because of overdoses. In an overdose of heroin, the lungs stop functioning, and the person dies from lack of air. There can be other effects of heroin addiction, one is that people who have illnesses may have them go untreated because the heroin has masked the pain. Another is that peoples veins collapse, from having been inj .....

.... you can’t see the yellow flame anymore. Then put the dish in the hottest part of the flame and see what happens. After you do that. You would cut off the burner by closing the needle value and closing the barrel. Then you would cut off the gas. In the conclusion the hottest part of the flame was the top part of the flame, and the coolest part of the flame was the blue cone in the middle. Soot was on the bottom of the dish the first time. When you put the dish back in the hottest part of the flame. It had cleaned the bottom of the dish. That is how you use a Bunsen burner. .....

.... frequency but also coherent, with the light waves all moving along in unison. Lasers consist of several components. A few of the many things that the so-called active medium might consist of are, atoms of a gas, molecules in a liquid, and ions in a crystal. Another component consists of some method of introducing energy into the active medium, such as a flash lamp for example. Another component is the pair of mirrors on either side of the active medium which consists of one that transmits some of the radiation that hits it. If the active component in the laser is a gas l .....

.... caused workshop temperatures to rise to 126 degrees F. The launch of Skylab 2 was postponed 10 days while NASA engineers developed procedures and trained the crew to make the workshop habitable. At the same time, engineers "rolled" Skylab to lower the temperature of the workshop. Skylab's 2nd manned mission - May 25th to June 22nd Astronauts; Charles Conrad, Jr. Paul J. Weitz Joseph P. Kerwin The crew meats with Skylab on the fifth orbit. After making many repairs, including deployment of parasol sunshade which cooled the inside temperatures .....

.... by many who have survived. Deaths and injuries to livestock and other animals, thousands of forest and brush fires, as well as millions of dollars in damage to buildings, communications systems, power lines, and electrical systems are also the result of . Finally, the threat of causes many work stoppages and lost production increasing the time and cost required to prepare NASA spacecraft for flight. Benjamin Franklin performed the first systematic, scientific study of during the second half of the 18th century. Prior to that time, electrical science had developed to .....

.... oxides to our atmosphere worldwide. When fossil fuels are ignited like oil and coal, they release carbon dioxide, a so-called greenhouse gas that traps heat within the earth's atmosphere which causes global warming that is taking place right now. Also, it releases sulfur dioxide, nitrogen oxide and various metals (mercury, aluminum) that are released into the atmosphere that reacts with other airborne chemicals (water vapor and sunlight) to produce sulfuric and nitric acid which later can be carried long distance from their source and be deposited as rain (acid rain) .....

.... protective ozone layer and thus immense heat. Electrical discharge from the never ending lightning caused chemical reactions to occur very often and there was also another source of heat from the young earth crust which was volcanically active. For most chemical reactions to take place, a spark of electricity is needed, and this was provided by the lightning in the atmosphere. Amino acids basically consist of hydrogen, nitrogen, oxygen and carbon. Due to all of the lightning chemical reactions took place between molecules of N2 and H2, thus these molecules formed Amino aci .....

.... a surface area of 500 which also has a surface area to volume ratio of 1.25:1. However, generally when you increase the size of an object the surface area to volume ratio decreases so in this example it is very likely that the two flasks in question are different shapes. In this experiment the two flasks which will be used will different surface area to volume ratios as follows: 100 cm3 flask: Volume = 100, Surface Area = 115. Surface Area to Volume Ratio = 115 ---- : 1 = 1.15 : 1 100 500 cm3 flask: Volume = 500, Surface area = 330. Surface Area to Volume Ra .....