Essay Database

frogs in North America is rapidly decreasing due to a small parasite that results in the deformation of the frog population. University of Wisconsin graduate Pieter Johnson is studying the possible threat the parasite poses. Due to the increasing…

on November 1, 1917, and acquired the stock of Linde Air Products Co., National Carbon Co. Inc., Prest-O-Lite Co. Inc., and Union Carbide Company. Then two years later, George Curme files the first patent for commercial preparation of ethylene.…

race. Reactors where originally used for research into the world of nuclear energy. The first reactor was built and sustained by the Italian scientist Enrico Fermi, at the University of Chicago in 1942. It is also interesting to know that even though…

of pollution. It occurs almost everywhere on Earth, especially in large cities. It harms people by causing breathing problems and sicknesses like cancer. Many plants, animals, and their habitats are damaged by air pollution. Many pollutants do not…

of lowering paper production worldwide. The wasteful trends of paper use in practice today cause an insatiable need for paper. When large amounts of paper are produced there are a variety of detrimental effects on the environment that occur.…

are very much at risk by consuming large amounts of PCB's, mercury and other toxins. As tradition has it, the Inuit people mostly eat what they can hunt, catch or find which usually include the latest marine mammals washed up on shore. Marine mammals…

Ghaly Basic Geosciences Illustrations For all Levels The Bowen Reaction Series In 1922, Norman Levi Bowen and his colleagues determined the sequence in which silicate minerals crystallize as magma cools (Chernicoff 56). This work made it…

orang banyak bahwa Pulau Bangka dan Belitung adalah daerah penghasil timah. Pengetahuan ini ditanamkan sejak kelas 5 sekolah dasar. Para murid mengetahuinya melalui mata pelajaran Ilmu Pengetahuan Sosial tentang kekayaan alam Indonesia. Pada masa pemerin…

gone up dramatically. At the same time so the global temperature. It has been proven that as the amount of carbon dioxide increases so does the global temperature. The temperature of the earth has gone up and so has the carbon dioxide level, these…

earth. All organisms contain it, some drink it, and others inhabit it. Plants and animals require water that is moderately pure, and they cannot survive if their water is affluent with toxic chemicals and/or harmful microorganisms. If severe, water…