The discovery of the blombos cave suggests .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.

To make an etching the artist first coats the entire printing plate with an acid-resistant substance called a made from beeswax, asphalt, and other material. the artist then draws on the coated plate with an etching needle exposing the metal. next the plate is dipped in the plate is removed, the waxy coating removed, and the plate is cleaned, inked and printed.

Which function of nonverbal communication is at work? trey was planning a surprise party for lynn, but when she asked him why they couldn't go out on friday, trey shifted his eyes, coughed, and stuttered when he said he already had plans. what did trey's nonverbal communication do for lynn? clarify the relationship regulate the interaction increase persuasive power reveal discrepancies manage impressions

In the ninteenth century,why was it more nessesary for art to provide accyrate represemtations of life and objects