A forest is an area which is covered with very high number of trees. It is considered that plants cover approximately 9.4 percent of the Earth’s surface (or 30 percent of total land area), though they once covered much more (about 50 percent of total land area), in many different regions and function as habitats for organisms
Test Your Knowledge on Geography -Atmosphere and Winds
January 24, 2012 by
General knowledge on atmosphere and winds which are major part of subject of Geography . The atmosphere consists of mixture of nitrogen (78%), oxygen (21%), and other gases (1%) that surrounds Earth.As you go beyond our planet, the atmosphere becomes thinner until it gradually reaches space. Atmosphere is divided into five layers. The atmosphere has a great role for life on Earth . It not only [...]
Check Your General Knowledge on Earth
October 16, 2011 by 22 Comments
Ready to test your knowledge on Earth! Sometimes earth is referred as the Blue Planet, or by its Latin name. It is considered formed 4.54 billion years ago, and life appeared on its surface within one billion years. Earth’s biosphere has significantly altered the atmosphere and other abiotic conditions on the planet, enabling the proliferation [...]
