other nations and world affairs

>The largest herbarium in our country is the central National Herbarium at Calcutta. It has about 1,000,000 plant specimens. A botanical garden is mainly a place for growing plants, which produce, colorful varieties of flowers. A botanical garden has a collection of ornamental, medicinal ..

. A good quality service can be continuously ensured by a global operational satellite system. Thus, communication satellites would give a valuable service in addition to the submarine cable and high frequency radio systems. Geostationary communication satellites have enabled not only national..

Plants on which we depend for food are under attack from insects, fungi, bacteria, viruses, rodents and other animals, and must compete with weeds for nutrients. To kill unwanted populations living in or on their crops, farmers use pesticides. The first widespread insecticide use began at the end ..

Debate Script - You are participating in an interschool debate competition. The topic is 'Wars Always Create More Problems Than They Solve'. Here are some points for and against the proposition. Use them and your own ideas to write out the debate script. For Against No one wants it, but if the nece..

Forests are the most important resource of our globe. Naturally formed forests are found in such parts of globe - where the factors of plant growth have been ideal for several centuries. For this reason, they are mostly found in regions of high rainfall and regions of high altitude. The usefulness ..

Human settlements in the form of cluster of housing units have always been a source of pollution. Because, human beings generate large quantity of wastes during the course of their daily activities. Activities like washing, cleaning, bathing, food preparation, as well as sanitary activities (like e..

Dwelling - Human settlements in the form of cluster of housing units have always been a source of pollution. Because, human beings generate large quantity of wastes during the course of their daily activities. Activities like washing, cleaning, bathing, food preparation, as well as sanitary activit..

Tidal Power - The tides are formed due to the gravitational force of attraction between the earth, sun and moon. During high tides sea water is trapped in a reservoir, and released later to drive turbines, which in turn produces electricity. The block diagram given below illustrates the transformat..