Stratigraphic correlation is dating through the use of a chronometric method. O matching stratigraphy from known sites only. O matching strata by chemical composition and color from several sites across distances. O correlating stratigraphic markers in one location.

matching strata by chemical composition and color from several sites across distances

Explanation:

The Stratigraphic correlation involves the correlation of the various layers of the strata of the rocks and the in comparison to several sites in terms of their chemical, physical and biological properties.Through this relationship with the various layers of the earth can be created that have regards to the changes takes place in the history of the earth.

The enviroment with hedge hogs

Answer they are produced by collision of tectonic plates;