Historians have found many artifacts such as, dinosaur fossils, hieroglyphics, pyramids, Nazca lines, the gray alien, what is left of the Incas, the calendar from the Mayans, sunken ships, the building from the Aztecs, and much more .
Artifacts have two main limits when considered as historical sources.
Explanation:
Artifacts are limited as sources of history because of the lack of real use visualization and inaccurate placement. First of all, it's impossible to see how they were actually utilized. Second, the place where we found them might not be the place where they were built or used.
Internal validity would be the extent through which a record an accounting a reliable reason as well as effect correlation among both medications as well as consequence.
Perhaps it speaks to the fact that the original study ends up making it achievable to help reduce possible causes for something like a discovering.
