Question

what is primary sources and secondary sources give the example of secondary sources

Answer 1

Primary are directly related to nature(fishing,farming) and secondary means processing(manufacturing of steel etc.)

Answer 2

A primary source provides direct or firsthand evidence about an event, object, person, or work of art. Primary sources include historical and legal documents, eyewitness accounts, results of experiments, statistical data, pieces of creative writing, audio and video recordings, speeches, and art objects. 
Secondary sources describe, discuss, interpret, comment upon, analyze, evaluate, summarize, and process primary sources. Secondary source materials can be articles in newspapers or popular magazines, book or movie reviews, or articles found in scholarly journals that discuss or evaluate someone else's original research.

hope it helps u