Which are characteristics of trade in ancient egypt?
choose all answers that are correct.
a.
egypt's trading partners were usually limited to other african peoples.
b.
egypt had its own silver and gem mining.
c.
egyptians imported lumber because there were few trees in egypt.
d.
traders came and went using the red sea, the nile river, and desert caravans.

more then one answer.

Which statement is a good description of a model? a) models are a description of nature based only on one or two variables. b) models are testable ideas but they are not very to most people. c) models are a description of nature that predicts more accurately than real events. d) models are an approximiation of a real system that omits all but most essential variables in a system.