Which is the most abundantly available fossil fuel in India? Assess the importance of its different forms.

Conservation of energy is essential because it protects our environment from greenhouse gas emission and also saves valuable resources from getting depleted. If we save energy then only more energy can...

187, Lajpat Nagar  New Delhi   Date: February 20, 20xx  The Editor  The Times of India  New Delhi  Subject: Development of the spirit of Unity  Dear Sir,  Through the columns of your esteemed newspaper, I would like to draw...

In the past 10 years use of electricity and LPG has increased while use of wood, upla, coal, etc. has decreased.

(a) When pure hydrogen is used as the fuel, the only by-products generated from the fuel cell are pure water and heat. Similar to a battery, a fuel cell with...

Means of transport: (i) Roadways (ii) Railways (iii) Pipelines (iv) Waterways (v) Airways. Importance of Transport: (i) Connects the people. (ii) Sense of belonging in the people living at far places....

Need for local government: (i) There are a number of problems and issues that are best settled at the local level, because people have a better knowledge of the problems...

(a) Hydrogen

(d) Oxygen is a very important element for the existence of all flora and fauna. Atmosphere contains 21% of oxygen. The main source of oxygen is atmosphere. Plants and animals...

(c) Due to heavy industrilization and transportation (modernization), CO2 concentration is increasing day by day in the atmosphere. CO2 has capacity for absorbing heat radiations and thus increases temperature. This...

Water containing calcium and magnesium salts is known as hard water. Among the given salts, calcium sulphate, magnesium chloride and calcium chloride can be dissolved in water to obtain hard...