Explain with examples the ‘population size’ criteria used by most countries to define urban areas.
Population size criteria used by most countries to define urban areas :
The lower limit of the population size for the settlement to be designated as urban is-
(i)1,500 in Colombia.
(ii)2,000 in Argentina and Portugal
(iii)2,500 in USA and Thailand‘‘The knowledge about nature is extremely important to develop technology.’’ Support this statement by giving three examples.