Tag: tertiary and quaternary economic activities

The GPS system is also called

The idea that the earth was the centre of the universe was maintained by _____________.

Space communication example is 

The system used for collecting, processing and analyzing the various data about the earth through computer is

______ are large consumers of space with the lowest level of physical constraints among transportation modes.

Which of the following is an example of mass communication?

______ mode of transportation is widely used to transport petroleum products, processed coal, drinking water, natural gas etc. from one place to another place among other modes.

____________ is actual, physical movements of goods and people between two points.

Sledges are used as means of transport in ______.

________ can be operated in the places where road construction is impractical and costly.