Old landmarks ,rivers ,paths , old trading area’s , villages
Answer:
Ejecta and an impact crater
Explanation:
Normally when a meteorite strikes the surface of a planet, a material called ejecta is released and an impact crater comet is created.
Answer:The American Historical Association (AHA) and the Smithsonian National Museum of African American History and Culture (NMAAHC) co-hosted The Future of the African American Past, a landmark conference that brought together over 60 scholars to celebrate the opening of the NMAAHC and consider the future of the study of African American history.
Explanation:
The research must pose no more than minimal risk.
