What is the most important thing that all sedimentary rocks can tell you, specifically referring to depositional environment

The statement including its issue is presented throughout the explanation section following the table.  

Explanation:

The character traits including its sedimentary rock which are already directly impacted by some of its repository surroundings being the sedimentary rocks, its sedimentary features, and its fossil record. Sedimentary rocks encompass their structures which have already been constructed because these sediments have been accumulated.

Ba population changes in response to a change in environment