The photograph below depicts an activity associated with the ... sector. ... percentage of the adult population in developed countries is involved in the tertiary sector which provides the largest contribution to the ...

Here are the answers to your questions: 2.1.3 Step 1: Analyze the activity shown in the photograph. The photograph shows individuals working in a laboratory setting, using microscopes and recording data, which indicates research and development. Step 2: Determine which economic sector this activity belongs to. Activities involving research, information processing, and specialized knowledge services are characteristic of the quaternary sector. • The photograph below depicts an activity associated with the D quaternary sector. 2.1.4 Step 1: Evaluate the first part of the statement regarding the percentage of the adult population in the tertiary sector in developed countries. In developed countries, a large percentage of the adult population is involved in the tertiary (services) sector. So, (i) is correct, and (ii) is incorrect. Step 2: Evaluate the second part of the statement regarding the largest contribution of the tertiary sector. The tertiary sector, being dominant in developed economies, provides the largest contribution to the country's gross domestic product (GDP). So, (iii) is correct, and (iv) is incorrect. Step 3: Combine the correct options. The correct combination is (i) and (iii). • A large percentage of the adult population in developed countries is involved in the tertiary sector which provides the largest contribution to the gross domestic product. • The correct option is A (i) and (iii). 3 done, 2 left today. You're making progress.