The most abundant metal worked in the tropics was [a] silver. [b] bronze. [c] taconite. [d] iron.

An important accomplishment of the chinese during the han dynasty was the a. invention of paper. b. production of bronze tools. c. construction of the great wall. d. building of royal tombs.

Which nonverbal cue most likely indicates that a person is open to a conversation? lack of eye contact crossed arms smiling mouth o monotone voice

What from the columbian exchange had perhaps the biggest impact on the world?