... health effects including cancer, birth defects, reproductive harm, neurological and development toxicity, immunotoxicity, and disruption of the endocrine system.” Children are more likely to be affected by pesticides than adults because, they are strange eaters, they breath at a higher rate, and tend to spend more time on the ground were chemicals may settle and then enter a child’s body through breathing, orally, by touching something with a residue and then putting their fingers in their mouth, and through a child’s skin. Pesticides will drastically damage the future health of our children if people don’t act now. CHILDREN’S HEALTH IS AT RISK T ...
... immunity. The vaccine is given primarily to people who work with livestock or in other businesses where workers must handle animal carcasses. The livestock version of the vaccine is very effective, however. The vaccine for both animals and humans is composed of sublethal amounts of toxin that induce formation of protective antibody. Frequent boosters are necessary to maintain resistance to Anthrax. Bacillus Anthracis spores also may live in soil for years. The only way to destroy the spores is by steam sterilization or burning. There has been no evidence of person to person transmission of the disease, though Anthrax was a subject of great concern for the mil ...
... times large than that of one kilogram of carbon. In addition over the last two decades the percentage increase of CFCs in the atmosphere has been higher than any other greenhouse gas. By 1990 the increase was 4-12% a year. CFCs also destroy ozone - itself a greenhouse gas - their net effect on climate is unclear. The strength of the indirect effect of ozone depletion depends on variables such as temperature of the upper atmosphere and cannot yet be measured with any confidence. According to new research, however, it is possible that the indirect effect of CFCs cancels out some or all of the direct effect of their being powerful greenhouse gases. ...
... these groups can be used to identify molecules that are in that class. This lab is broken down into four different sections, the Benedict's test for reducing sugars, the iodine test for the presence of starch, the Sudan III test for fatty acids, and the Biuret test for amino groups present in proteins. The last part of this lab takes an unknown substance and by the four tests, determine what the substance is. BENEDICT'S TEST Introduction: Monosaccharides and disaccharides can be detected because of their free aldehyde groups, thus, testing positive for the Benedict's test. Such sugars act as a reducing agent, and is called a reducing sugar. By mixing the ...
... topsoil to the groundwater, due to rainfall or irrigation, can result in a dramatic rise in groundwater pressure and watertable levels. The trees of the open forests are now replaced by shallow-rooted crops and pastures which absorb far less water than the native trees. Those trees had been massive water pumps, sucking up moisture from deep underground and putting it back into the atmosphere through the evaporation from their leaves. With those pumps gone, excess rainfall accumulates underground and watertables rise to the surface, bringing ancient sediments of salt with them, often in heavy concentrations. Once exposed to the air and sun, the salts become even mo ...
... matter is not addressed soon it will be responsible for many casualties. Another branch of technology that has caused casualties in the past and is bound to cause many more in the future is weapons. The weapon that has had the most impact is the gun. It has killed millions, not only in wars, but in everyday life as well. In addition, there is the atomic bomb that killed thousands at Hiroshima. More recently there is the nuclear missile that is capable of wiping out an entire major city. Moreover, there are many inventions that have been built with the intent to improve life only to repeatedly take it away from people. Some such inventions are cars, plane ...
... and more healthier plants than the traditional dirt, but it can also be greatly beneficial on things like submarines, space stations, off-shore oil rigs, or any where else where dirt is hard to come by. During this experiment we'll be looking for which plant life well do best with hydroponics, by measuring which plant has grown the highest or bushiest. We also well be looking for green and healthy looking leaves on the plants. We have no idea what the results might be, so this should be an exciting experiment. Problem Which form of plant life will thrive the most in a hydroponics enrichment. Will it be Tomatoes our fruit, Peas our vegetable, Tinkerbell fl ...
... fluid and density differences. This continuous convection is the cause of plate movement. Each complete cycle, called a convection cell, drives the plate in the direction of the cell. How does a ‘solid’ mantle move? The mantle may be solid but, as with most solids, it will deform if long-term stress is applied. Presently, there are more than fourteen plates in the Earth’s crust. Upwelling hot magma flows out from mid-ocean ridges and then cools down when exposed to the cooled environment outside; the layer of cooled magma forms the lithosphere. When magma flows out from the ridges, the crust is fractured and a new ocean floor is built spreading perpendicularl ...
... and eggs. Roy Blackshire runs a program that places captive born nenes into the wild. This program, once a success, is now causing chaos in the nene population. A single pair of nenes were taken from the wild and bred in captivity. Later two more birds were added. The chicks were released into the wild and the program continued. Though there are several dozen nenes released from captivity, there is still little increase in the wild population. The inbreeding between birds is not allowing for any genetic diversity to occur between them. It is also causing captive-bred birds to lay eggs that don't produce chicks. Scientists collect blood samples from nenes in the ...
... four viruses: Zaire, Sudan, Reston and Tai are the five different viruses that have been known to cause disease in humans, while Reston only causes disease within monkeys. Filoviruses, arenaviruses, flaviruses, and bunyaviruses are the viruses responsible for causing viral hemorrhagic fevers. All forms of virus of viral hemorrhagic fever begin with fever and muscle aches. These diseases usually progress until the patient becomes very ill with respiratory problems, severe bleeding, kidney malfunctions, and shock. The conclusions of the viral hemorrhagic fever can range from a mild illness to death (www.cdc.gov/nci..brochures/inf.html, 1995). viruses are spread th ...
