A food chain is an idea developed by a scientist named Charles Elton in 1927. He described the way plants get energy from sunlight, plant-eating animals get their energy from eating plants, and meat-eating animals get their energy from eating other animals. The idea of a chain means that all these a...

The ozone layer is an invisible layer in the stratosphere. It has always been needed by all life on earth, as it absorbs the ultra violet radiation (UV) from the sun. Recently a large hole has appeared in the ozone layer over the Antarctica, and a similar but smaller hole has been found over...

A Review of Oxidative Stress and Antioxidants Introduction Oxidants such as super oxide, a free radical form of oxygen gas, hydrogen peroxide, and free radical hydroxide are molecules that can commence chain reactions in a cell and cause damage along the way. A free radical is any molecule with...

#1. Cadmium #2. What is Cadmium? -Cadmium is a naturally occurring element in the earth's crust. Pure cadmium is a soft silver-white metal. -Cadmium is most off encountered in combination with other elements such as oxygen, chlorine, and sulfur. #3. How Does Cadmium affect us? -Lung damage...

In this paper I will describe the molecular structure and the chemical properties of water. Also I will discuss the importance of water to living organisms and the effects of acid rain on our environment. Water, as a molecule is a bent molecule and this characteristic makes it a very polar. W...

Acid Rain Acid Rain Introduction Acid rain has become an environmental concern of global importance within the last decade. With the increasing environmental awareness of the "unhealthy" condition of our planet earth the concern about acid rain has not lessened. In brief, acid rain is...

Everyone knows that the atmosphere and the pollution in the world is very dangerous to everything and everyone. But how bad are these different things that affect us and everything around us? This paper will specifically look at the effects, global effect and the treatment on acid rain, the greenhou...

Society has been widely addressed with the many problems that we are having in our environment today. A major problem is that of CFCs. CFC stands for Chlorofluorocarbons which are found in many of the aerosol spray cans. In December of 1973, Rowland and Molina discovered that CFCs can destroy...

What is acid rain? Acid rain is the term for pollution caused when sulfur and nitrogen dioxides combine with atmospheric moisture. The term 'acid rain' is slightly misleading, and would be more accurate if deemed 'enhanced acid ...

The Poisoning of Our Ozone Layer The poisoning of the Earth's ozone layer is increasingly attracting worldwide concern for the global environment and the health effects of life on the Planet Earth. There is not just one particular cause for the ozone's depletion; the accumulation of di...

Acid Rain The damaging effects of acid rain on society is becoming overwhelmed with great amounts of pollution from cars, factories and an large amounts of garbage. The immense amounts of sulphur dioxide put into the air causes high levels of acid in the atmosphere. When this sulphuri...

The Damaging Effects of Acid Rain Modern society is becoming overwhelmed with great amounts of pollution from cars, factories and an overabundance of garbage. The immense amounts of sulphur dioxide emitted into the air causes high levels of acid in the atmosphere. When this sulphuric acid is ...

The Effect of Humans on The Environment AIR The Greenhouse Effect/Global Warming What is it? The greenhouse effect is the rise in temperature that Earth experiences. What causes it? Global warming is an increase in the earth¡s temperature due to the use of fossil fuels...

Many in the world of science do not succeed as prominent individual considering it is a tough field not only to achieve in but to maintain an identity. Mario J. Molina was someone that prospered as a minority and Nobel Laureate in this particular field. Mario was a Mexican American chemist, born...

For hundreds, even thousands of years, human beings have mined for metals and stones, and with the advent of greater technology as well as greater needs, the demands for these resources continue to grow. While these resources benefit our lives in many ways, the effects of mining can be detrimental, ...