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A modem (a modulator/demodulator) lets you connect your computer to a standard telephone line so that you can transmit and receive electronically transmitted data. It is the key that unlocks the world of the Internet and its World Wide Web, commercial online services, electronic mai..

LPG cylinder valve and the knob of the stove must be closed properly when not in use. Open flames, electric/kerosene stoves must not be used near an LPG cylinder. Rubber pipe connecting the cylinder and the stove must be regularly checked for any wear and tear. When a leakage (foul smell..

It is a positive inter specific interaction in which both the partners are mutually benefitted and increase the chance of their survival. However, the interaction is not obligatory for their survival as both can live without this interaction. For e.g., a) Crocodile bird (Pluvianus aegyptius) ..

Satellite Communication - It is mainly done through geostationary satellites. These satellites are fitted with special devices. These devices can receive signals from an Earth station and transmit them again in different directions. These special devices are called transponders. A TV transmitt..

Consequences of Over Population/Impact of Population Growth - India is the best country to study the consequences of over population. Geometric growth in population has pushed our country into population explosion leading to number of serious consequences. Some of them are: Decreased availability o..