Nature Page 3

A tornado is a violent windstorm usually characterized by a twisting, funnel shaped cloud that is caused by a thunderstorm or a hurricane. It is produced when a cool air mass meets a warm air mass and forces the warm air mass to rise over the cool air mass very rapidly. Most of the damage…

Each spiraling strand is comprised of a sugar phosphate backbone and attached bases connected to a complimentary strand. The complimentary strand is connected by non-covalent hydrogen bonding between paired bases. The bases are adenine, thymine, ctyosine, and gaunine. The fundamental building block of DNA is the nucleotide. The nucleotide has three parts. A nitrogen-containing pyrimidine…

The still put out a lot of pollution, and use up fossil fuels. One day, we have to run out of fossil fuels. People have been talking about running cars on water for ages. Unfortunately, most of the time, these people are crackpots. But there is a certain amount of truth in what they say….

Many people believe in it, while at the same time, many don’t. Like it or not there are many factors that point to the existence of evolution, but what role does evolution play in the theory of learning. It is obvious that learning has an important bearing on evolution. Ideas or actions that are advantageous…

Earthworms Earthworms are classified as Annelida. Annelida mean little rings which refers to the many segments in their body. The structure of an earthworms body is made up of more than one hundred segments separated by partitions that divide the coelum. All segments are identical except by the anterior and posterior ends. The anterior segments…

Not all animals have lungs. Many animals live in environments where lungs would be efficient enough for survival. Gills are another type of respiratory system, which are very efficient at removing oxygen from water: there is only 1/20 the amount of oxygen present in water as in the same volume of air. Gills greatly increase…

A one of the oldest fibres used by human beings. Archaeologists have found cotton 5000 years old. Alexander the Great, around 300 BC, brought cotton goods into Europe but only the rich could afford it. The cotton plant grew wild in East Africa. Cotton belongs to the Hibiscus family. Our commercial varieties of cotton were…

  It is the only planet in our galaxy that has enough water to support life. Unfortunately our planet is suffering due to many problems which should be solved before it is too late. The major problems that are facing our world today are population, pollution and animal extinction. One of the problems facing our…

Many people assume that water is an unlimited natural resource. Is this true? Although water appears abundant, recent circumstances indicate that it is seriously vulnerable to pollution and depletion. Throughout this essay we will examine what ground water is, how it is important in the water cycle, how its contamination can affect us, and what…

Nuclear war was brought about through the invention of the atomic bomb. The atomic bomb was first thought of in 1939. The Manhattan Project was devoted to researching and constructing the bomb (Serendipity: Manhattan Project para.1). Six years and 2 billion dollars later the Manhattan Project produced the first atomic bomb in history (Serendipity: Manhattan…