Highlight and name the historical sources thanks to which scientists discover the secrets of the past.

material sources (tools, weapons, human remains, remnants of dwellings, crockery shards and much more.); written sources (records, chronicles, ancient books, inscriptions on stones, rocks, clay tablets, etc.).

Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.