Question

<!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> Depending on the type of used, industries can be classified into primary, secondary and tertiary industries.

Answer 1

<!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> Industries are divided into Primary, Secondary and Tertiary on the basis of the raw materials used.