Class 12 Geography Notes Chapter 7 Tertiary and Quaternary ...
Apr 17, 2019· Here we have given NCERT Geography Class 12 Notes Chapter 7 Tertiary and Quaternary Activities. Geography Class 12 Notes Chapter 7 Tertiary and Quaternary Activities. Types of Tertiary Activities There are four types of tertiary activities. They are trade, transport, communication and services. These include provision of services in exchange of payments.