a) Entrepreneurship is a process of a action of an entrepreneur who undertakes to establish his enterprise
b) It is the ability to create and build something.

To begin with, some clusters, especially chemicals, textiles and leather clusters, tend to generate a lot of polluting effluents that affect health. The effluents also pollute water bodies into which effluents are let into and also adjoining agricultural lands.
Second, employment generation potential has declined because of use of frontier technologies because of the need to compete globally. Quality of employment also has suffered in recent years as most workers are employed only temporarily. This issue too requires urgent attention among policymakers.

Industrial clusters are groups of firms in a defined geographic area that share common markets, technologies and skill requirements.

i) First, demand for food remains constant with regard to income.
ii) Second, even the food that is consumed is subject to mote transformation.
iii) Third, there are limits to the ability of agriculture to absorb labor due to the declining marginal productivity of the land.
iv) Due to all these factors, there is a need for an economy's the production and employment base to diversify away from agriculture.