Tertiary and Quaternary Activities
NCERT Fundamentals of Human Geography, Class 12, Chapter 6 sorts service activities that support production and daily life. It covers trade, transport, storage, advertising, and tourism, where climate, beaches, heritage, and shopping draw visitors. It defines quaternary work in research, software, and information processing and quinary roles of top decision makers and experts. It explains outsourcing, call centres, and back office chains that link Indian cities to clients abroad, plus the growth of personal services.
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