.... and least polluting power plant of the two types is the hydroelectric power plant. The main reason most countries use thermal versus the hydroelectric is because their countries don't have enough concentrated water to create enough energy to generate electricity. (World Book vol. 14, 586) plants generate only about eleven percent of the world's electricity. There are around 316 plants in the world that create 213,000 megawatts of electricity. (INFOPEDIA) Radioactive, or nuclear, waste is the by-product of nuclear fission. Fission occurs when atoms' nucleus' split and cause a nuclear reaction. (General Information) When a free n .....

.... that contains about the equivalent of 5000 cubic feet of hydrogen and is broken down and releases gas into the second chamber where it goes to the engine for use. There are many ways to get pure hydrogen out of many compounds using methods such as electrolysis and chemical reactions. One of the easiest ways is using a chemical reaction. Simple chemicals (aluminum,sodium hydroxide, and water) can be reacted in the home to produce heavy hydrogen to power your furnace or your hot water heater . No electrical power at all is required. The reaction also gives off a tremendous amount of heat. Even the waste heat could be captured for heating th .....

.... is joined to one end of the sugar molecule, and one of several different nitrogenous bases linked to the opposite end of the deoxyribose. DNA has two specific functions: to provide foe protein synthesis, and hence the growth and development of the organism and to furnish all descendants with protein-synthesis and hence the growth and development of the organism. So all living things on plant Earth contains the genetic material DNA and the structure of a DNA molecule or combination of DNA molecules determines the shape, form, and function of the offspring. 2)The term "genetic technology"(or genetic engineering) is the modification of the .....

.... the situation elevates the mass of people begin to violently slam into each other in a chaotic ceremonial dance. The purpose of the dance is to cause and endure as much physical pain as possible. The dance eventually gets so extreme that a young man in the crowd snaps his neck and dies. The man does not stop his ravings and the crowd doesn't stop their dance. Instead the man becomes entirely deranged, screaming at the body of the young man that he is now going to hell where he rot in flames of agony for eternity. The crowd roars and the man laughs. What do you suppose would now transpire? At the very least the man and the crowd would b .....

.... while today there are 5.8 billion. There may well be 10 billion people on earth before the middle of the next century. Even more significant, on an ecological level, is the rise in per capita energy and material consumption which, in the last 40 years, has soared faster than the human population. “An irresistible economy seems to be on a collision course with an immovable ecosphere.� Based on these facts alone, there is grave reason for concern. Taken further, it is even more frightening to note that, while man has affected the environment throughout his stay on earth, the impact has been most intense in the relatively sho .....

.... to wonder if this same force was what held the moon in place (Gamow 41). Newton knew that an object fell to the earth at a rate of about 9.8 meters (32 feet) per second second as pointed out by Galileo. Thus "the apple that fell from the tree" fell to Earth at about this rate. For the first basic explanation of this we will assume a linear plane, one in which all forces act in only one direction. Therefore when the apple fell it went straight towards the center of the earth (accelerating at about 9.8 meters per second second). Newton then figured that the same force that pulled the apple to Earth also pulls the moon to the earth .....

.... and many important optical properties. The six crystal systems are very important to a mineralogists and geologists; specification of the system is necessary in the description of each crystal system. Isometric This system comprises crystals with three axes, all perpendicular to one another and all have equal length. Tetragonal This system comprises crystals with three axes, all perpendicular to one another; but only two are equal in length. Orthorhombic This system comprises crystals with three mutually perpendicular axes, all of different lengths. Monoclinic This system comprises crystals with three axes, all unequal in le .....

.... place when a correct response is given to a certain stimuli presented. Forgetting is a weakening of this stimulus- response relationship. The Purpose of this experiment is to determine what type of stimulus information is more easily remembered, be it in randomized manner or meaningful. When are more errors made in remembering the stimuli, among these two types of stimuli used (CVC). Also, when a correct response is given, which was the type of stimuli (CVC) that caused this to occur. The design of this experiment on verbal learning has both within- subject and between-subject variables. The within-subject variables are the .....

.... forms a mild solution of sulfuric acid and nitric acid. Sunlight increases the rate of most of these reactions. Rainwater, snow, fog, and other forms of precipitation containing those mild solutions of sulfuric and nitric acids fall to the earth as . Water moves through every living plant and animal, streams, lakes, and oceans in the hydrologic cycle. In that cycle, water evaporates from the land and sea into the atmosphere. Water in the atmosphere then condenses to form clouds. Clouds release the water back to the earth as rain, snow, or fog. When water droplets form and fall to the earth they pick up particles and chemicals that float .....

.... on their hairy legs and body and it is transferred to a female structure and more plants are on the way. Many plants rely on insects so greatly that they have evolved around them. None of the vibrant colors in the garden were created for your pleasure, nor was the smell of such plants as the roses, in actuality these beauteous pieces of nature we call flowers use sight and smell as attractants for the bees. Plants advertise themselves to who they want to be pollinated by. For instance, some plants such as the honeysuckle and tobacco only give off their potent scent at night, when other plants are inactive. Although during the day these .....