Question

service activities cannot expand beyond a certain level without agriculture and industries.Explain

Answer 1

Agriculture is primary industry and primary industry provides raw material for secondary industry. so to develop secondary industry here we need primary industry. These both kinds of industries provides the basic Infrastructure for us. that's why service activities can not expand beyond a certain level without agriculture and industry.
Simply we can't expand service sector without having basic Infrastructure.

Answer 2

Explanation:

Agriculture is primary industry and primary industry provides raw material for secondary industry. ... that's why service activities can not expand beyond a certain level without agriculture and industry. Simply we can't expand service sector without having basic Infrastructure.

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