Differentiate between primary and secondary sectors with examples.

(i) In primary sector, there are many activities that are undertaken directly using natural resources. While secondary sector covers activities in which natural products are changed into other forms.

(ii) Primary sector depends mainly but not entirely on natural factors like rainfall , sunshine and climate while secondary sector is based on industrial activity.

(iii) Cotton farming is primary activity while cotton textile is secondary activity .

(iv) Primary sector contributes to the first process of production while secondary sector adds value to the primary sector product.