CBSE Class 10 Answered

Primary sector engaged in agricultural activities. Secondary sector is an industrial sector which relies on primary sector for raw materials. Tertiary sector is the service sector which acts as a connecting link between the primary sector and the secondary sector. Based on these activities, we can understand that the economic activities shifts from primary to secondary sector and then to the tertiary sector. Currently the contribution of tertiary sector is growing enormously and hence it shows the highest level of contribution in the GDP among the three sectors.