The discovery of the blombos cave suggests a. copper alloy or bronze casting were first used in sub saharan africa. b. islam became an economic and religious force in west and north africa. c. that abstract thought in humans occurred much earlier than once thought. d. the french colonies were taken over before the third or fourth centuries. \

The discovery of the Blombos cave suggests : c ) that abstract thought in humans occurred much earlier than once thought. Drawings in rocks , including geometrical designs, are interpreted by scholars as the earliest complex abstract representations. Up to this cave discovery, human abstract thought was suppossed to have appeared much later.

a. i just did this quiz and the answer is a.