Geography: 2006: CBSE: [All India]: Set – II

Both Lucian Febvre and Vidal de la Blache are the followers of the possiblism. Two major characteristics of this approach are:

1. According to this approach there are no necessities but possibilities everywhere and man as master of these possibilities is the judge of their use.
2. They presented man as an active agent rather than a passive agent.

There are three types of coal found in the world, they are:

1. Anthracite coal: This is a very good kind of coal having high amount of carbon content (90%). It is hard and shiny and does not leave ashes after being burnt.
2. Bituminous coal: It is a low grade coal in comparison with anthracite coal. It is having 70-90% carbon content. It gives smoke and ashes when burnt.
3. Lignite coal: It is not black but brown in colour. The carbon content is 45-70% in this type of coal. It gives more smoke when burnt.

The satellite communication has brought a great change in the field of communication. It can be explained with the help of following points :

1. With the help of satellite technology, day to day climatic data can be easily calculated.
2. Satellite communication has given birth to communication through radio, television and other sources of communication for general people.
3. Satellite communication provides information of the remote areas in digital format.

Three components of systematic planning for resource development are:

1. Assessment: Information collected is examined against technology, economy, and ecology to ascertain the possibility of development.
2. Registration of resources: It includes surveying, mapping and measuring the characteristics and properties of resources.
3. Development: It includes activities to convert the potential of a resource into reality and use.

Road transport is more important than rail transport in India due to the following reasons:

1. Roads can be made on the hilly areas but rail lines can not be laid down on the undulating topography.
2. Roads are the only source of transportation which provides door to door facilities.
3. Construction and maintenance of the roads are easier and cheaper than the railway lines.

a. It is situated in North America.
b. Lake Ontario.
c. The water level drop between the two lakes is 9 mts.

Three commercial petroleum producing regions in India are:

1. North-eastern region: Digboi, Naharkatuya, Moran and Rundrasagar are some of the important oil producing regions.
2. Bombay High: It is an offshore oilfield of India and the most important oilfield. Bassein in another oilfield discovered to the south of Bombay High.
3. Gujarat Region: Ankleshwar, Kalor, Kosamba and Sanand are important oilfields of this region.

A number of factors are very crucial in the location of an industry. They are:

1. Raw Material: Raw material is the most important component for the location of an industry in any location. Especially if the industry is based on heavy raw materials then it must be located near the source of raw materials to reduce the transportation cost.
2. Labour: Availability of cheap labour is another major important component for the location of any industry at any place.
3. Energy resource: Industries using large amount of energy like electrochemical and electrometallurgical industries are located near the source of electricity.

8.1 River Brahmaputra with the value of 537

10.1 It is in North America.