… atmospheric gases letting sunlight through to the earth's surface, while not letting energy radiated outward from the earth's surface. This results in a net buildup of solar energy in the Earth's atmosphere, because the flow in is greater than the…

… permits distant and faint objects to be viewed as if they were much brighter and closer to the observer. Most telescopes work by collecting and magnifying visible light that is given off by stars or reflected from the surface of planets. Such instruments…

… defect (NTD) which occurs within the first four weeks of pregnancy. The NTD occurs when the vertebrae and/or spinal cord of the fetus fail to develop properly, and results in varying degrees of damage to the spinal cord and nervous system. The…

… ____________ Aim: To be able to explain the conditions necessary for photosynthesis and to compare experimental results to a control. To recognise tests for some inorganic substances found in plants. Materials: „h A plant with…

… group of organs that changes food to carbohydrates, fats, and proteins and used by our body. Digestion takes places begins form our mouth and ends with our anus. the function of our digestion system are to ingest food, digest into nutrients, cross…

… Lines” Electric power is a fact of life in America in the world today. Ever since electric power was introduced society has thought nothing of the harmful effects of electromagnetic fields or electricity as long as they had it at their…

… giant land turtle ancestors returned to the sea sometime during the Age of Dinosaurs. Although there were many species of sea turtles back then, only eight species have managed to survive modern times. The green, black, loggerhead, Kemp’s Ridley,…

… many people take it? It gets you high. You feel good for a little while. Then you’re sad again. Teenagers have this problem a lot. Scientists have found a way to maybe prevent ‘highs’ when using cocaine. Actually, they found a way in animals, and they…

… planet’s surfaces. Neptune has a rocky inner core, which is completely surrounded by water. Its atmosphere is made up of seventy-four percent hydrogen, twenty-five percent helium, and one-percent methane. The Climate…

… in various soil coarseness. David Brown, Darren Butler, Jeremy Hawkes and Heather Marsh. Department of Zoology, Brigham Young University, Provo, UTAH 84604 …