What happened to the Mall Empire after Mansa Musa returned from his hajj his pilgrimage to Mecca)?

The dictionary definiton of a word reflects the of that word?

In what two ways were the tang and song dynasties of china similar? they jointly built the grand canal. they were economically strong. they had weak military forces. they ruled for about 300 years. they discouraged buddhist ideas.

The symbols found on the map below indicate where fossils have been found in the same layer of sediment. each unique symbol represents fossil locations of a particular species.