Select all choices that apply. Mark each statement if it was a clue that helped archaeologists and historians document the existence of Sumer.
a. stories passed down from generation to generation
b. bits of pottery and clay
c. mounds containing the remains of cities
d. detailed paintings showing life in Sumer
e. ancient writing
"b. bits of pottery and clay" "c. mounds containing the remains of cities" and "d. detailed paintings showing life in Sumer" would be the best options, since stories passed down were not recording in any way that could be findable.
