Research uses past records or data sets to investigate research questions or to look for patterns or relationships.

ARCHIVAL research uses past records or data sets to investigate research questions or to look for patterns or relationships.

Explanation:

Archival research is a research which is based on retrieving information from original archives.

What are archives ?

Archives are documents,records and other sources which are historical and they relate to and record activities that happened back then. The conserve historic events so that these can be known by the future generations.

Archives are found under certain organisations or from governmentally authorized places or libraries.

Archival research gives Information to professionals who are interested in learning about historic events such as historians , genealogist and researchers.

These professionals can study these past events and be able to draw conclusions or make relations to the patterns we see today or we might see in the future .

the 2nd option is the answer

dont understand question can you makeit more better