Introduction:- Biogeography is the study of the patterns of distribution of animals and plants. It looks for general principles to explain how and why organisms are distributed the way they are locally or regionally as well as worldwide. Biogeography uses information from ecology and evolutionary biology as well as from geology (study of origin and [...]

Introduction:- The Earth’s rivers carry the water that people, plants, and animals must have to live. They also provide transportation and waterpower. Nations have learned to harness the power of rivers by building hydroelectric dams such as those constructed on the Volga River. Rivers are also a principal natural force in shaping land surfaces. Theydrain [...]

Introduction:- It has been called the new frontier. The great body of water embracing the continents of the Earth is also known as the world ocean. Its major subdivisions are the Pacific, the Atlantic, the Indian, and the Arctic oceans. Some people divide the world ocean into the North Pacific, South Pacific, North Atlantic, South [...]

Introduction:- A mountain is a landform that rises prominently above its surroundings. It is generally distinguished by steep slopes, a relatively confined summit, and considerable height. The term mountain has topographic and geologic meanings. It generally refers to rises over 2,000 feet (610 meters). Compared to a hill, a mountain is defined by its greater [...]

While every network protocol or system has particular characteristics that render it more or less susceptible to attack, a few basic classes of attacks are repeated with various per-mutations in different circumstances. The basic threat classes apply to wireless networks as well. The basic threat classes are: replay threat eavesdropping and spoofing man-in-the middle (MitM) [...]

The average facade temperature of the globe has augmented more than 1 degree Fahrenheit since 1900 and the speed of warming has been almost three folds the century long average since 1970. This increase in earth’s average temperature is called Global warming. More or less all specialists studying the climate record of the earth have [...]

The average facade temperature of the globe has augmented more than 1 degree Fahrenheit since 1900 and the speed of warming has been almost three folds the century long average since 1970. This increase in earth’s average temperature is called Global warming. More or less all specialists studying the climate record of the earth have [...]

Introduction:- It is hard to imagine a resource that provides more benefits for humans than do forests. Food, shelter, tools, and fuels are all products of this natural treasury. The forest is also home to many animals and plants. Its trees help clear the air of pollution while enriching it with oxygen and slow down [...]

Introduction:- The sudden shaking of the ground that occurs when masses of rock change position below the Earth’s surface is called an earthquake. The shifting masses send out shock waves that may be powerful enough to alter the surface of the Earth, thrusting up cliffs and opening great cracks in the ground. Earthquakes, called temblors [...]

Introduction:- It would be difficult to imagine a world without plastics. Among the most versatile materials ever developed, plastics can be made to resemble and even replace such diverse materials as metal, wood, glass, china, stone, cloth, rubber, jewels, glue, cardboard, varnish, and leather. The word plastic comes from the Greek plastikos, meaning “moldable” or [...]

Introduction:- One of the most familiar and important forms of energy is light. Nothing is visible to humans when light is totally absent. But light is even more important for other reasons. Many scientists believe that millions of years ago light from the sun triggered the chemical reactions that led to the development of life [...]

Did you know bamboo is a woody grass? It definitely looks like a tree! Because bamboo grows as fast as grass, it renews itself every 3-5 years. Bamboo is grown naturally, without pesticides or chemicals, making it a totally organic, eco-friendly resource. Bamboo is a leader in helping to preserve our environment with sustainable earth [...]

Plantation means the large farm or estate used mostly in the tropical or subtropical country where crops are grown with the purpose of selling it in the market. Plantation includes the growth of the trees like sugarcane, tea, coffee, cotton etc. Plantation in other terms means the monoculture over the large area.Plantation have increased on [...]