NCERT Important Questions Class 9 Social Science Geography
Important NCERT Extra Questions
Chapter 6 Population,
NCERT Book Extra Questions for Session 2022-2023
CBSE Board and UP Board Others state Board
How proportion of people working in different activities varies in developed and developing countries?
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Developed nations have a high proportion of people in secondary and tertiary activities, whereas developing countries tend to have a higher proportion of their workforce engaged in primary activities.