.... sulfur dioxide emission comes from volcanoes, sea spray, plankton, and rotting vegetation. The oxides of nitrogen are by-products of firing processes of extreme high temperatures, for example: automobiles, and utility plants; and in chemical industries, for example: fertilizer production, etc. Also, natural processes such as bacterial action in soil, forest fires, volcanic action, and lightning make up five percent of nitrogen oxide emission. Transportation makes up 43 percent, and 32 percent belongs to industrial combustion. There are a number of things that acid rain effects in our environment. Forests, soil, lakes, st .....

.... we all agreed that the mechanical way would be the simplest to build and the most merciful on our pocketbooks. Even though we were coming up with some good ideas, each design seemed to contain some major problems. One of the reoccurring problems dealt with the synchronization of the driver motor and the steering system. Finally the team came up with a design that allowed the drive and steering controls to be independent of one another, but still allowing each one to be linked in time. This design has now become what is known as LONGWOOD. The Longwood is divided into two main parts: 1)motion system and 2)logic board. As .....

.... shark is occasionally referred to as the Bone shark, is because when they die, they sink (their density is greater then the water's density) and are ravaged among the sea floor, by rocks, etc. (Steel, 1985, 132). However, when they do finally wash up on shore they are usually quite mutilated; their skeletons are all that remain. Hence the name, Bone shark. Although the Basking shark most appropriately resembles the Whale shark, its closest relative happens to be the * I could not find, in any of my many sources, the life span of the Basking shark* great white shark (http://www.askjeeves.com .....

.... positioned at the platform’s center while the upper ring of the spring scale was attached to the free end of the third ring. After attaching the spring balance, its hook was pulled and the reading on the scale and the direction of the pull at which the two forces (hanging mass) are “balanced.” “Balance” was determined. II. Results and Discussion Table 1. Time, distance, velocity and acceleration measurements for a marble. Distance (cm) Time (s) Mean Time (s) Average Velocity (cm/s) 1 2 3 10 0.90 0.67 0.71 0.76 13.16 30 1.52 1.37 1.37 1.40 21.48 40 1.86 1.58 1.58 1.77 22.56 50 1.87 1.94 1.94 1.93 25.95 7 .....

.... done was to make sure as little oxygen as possible was contained in the leaf material. This coused the experimrnt to run properly. If the leaf material was not placed in the dark, the dark reaction would not have occured using up all the oxygen. If there was still oxygen in the leaf material, the data collected would have been off. The reason for this is that the leaves would have risen to the top of the liqiud quicker, because they would not have had to make the totql amount of oxygen. 4. State you hypothesis for the directed experiment. The leaves in the sodium bicarbonate will rise to the top of the syringes faster than the on .....

.... first form of began with a man named Mendel, a monk in the late nineteenth century. He was the first to even formulate the concept of the gene from his experiments on pea plants. Since Mendel, other scientists have continued in agricultural engineering, a type of engineering that deals with the cross breeding of plants and cattle to maximize their productivity. Through time geneticists have continued to find better methods and strategies for improving the quantity of food from plants and improving the amount of milk and meat that cattle produce. With one respect to plant engineering, scientists are now working on splicing t .....

.... 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 words (CVC) that are stored in the computer which are the default words to be used. The between-subject variables are the number of stimuli used and the choice of the stimuli using the experimenters own words (CVC). The independent variable for this lab is the number of stimuli presented .....

.... pocos lugares en donde todavía se usa este tipo de pesticida), las dioxinas llegaron hasta nosotros no solo por el aire sino que directamente por los alimentos. Son lipofílicos, es decir solubles en las grasas y sus moléculas están unidas por enlaces fuertes que les dan una vida media entre los 7 y los 30 años, por esto se les llama moléculas persistentes. Existen una variedades de dioxinas, siendo las más tóxicas la 2,3,7,8 tetraclorodibenzodioxina (TCDD), la cual reúne a los Dibenzofuranos policlorados, las dibenzodioxinas policloradas y los bifenilos policlorados, más en general, hablando de dioxinas y furanos. Su .....

.... inner city and poor neighborhoods. also causes conjunctitis. This is a swelling of the eyes which can lead to blindness. The bacteria also can lead to pneumonia. Although it is the most easily treated STI, most people in danger won’t get checked until complications show, and that is why the disease is spread so much. It takes about three weeks for most people to see symptoms. In that time, they have sexual contact with others and not know they are spreading it. This process goes on and on and some day it could turn into an epidemic. This is why it is called the "silent epidemic". s simple to cure. Physicians prescribe .....

.... history and the future just happen at us. Obscure plans, which have guided people forward in the past, have now rendered themselves useless. There are no known maps to show pathways into the future. We’ll need to consider back to our hearts, common sense and basic human capabilities. We’ll need to consider the deep issues at stake and make deep choices about them. This idea of disaster is actually an aide. It activates resourceful survival instincts. The human race needs to change course. There are so many causes of large-scale disaster that it would need whole libraries to contain it. While there is no way of k .....