Question

write a short note on secandry econonomic activity​

Answer 1

Secondary economic activities involve the processing of raw materials (primary products). Examples would include turning timber into furniture and turning iron-ore into steel. Any factory can be seen as a system involving inputs (e.g. timber) processes (e.g. cabinet making) and outputs (e.g. tables and chairs).

Answer 2

but it's too late... I am going to sleep