What was the goal of European countries at the Berlin Conference in 1884? to develop new methods for improving farming in Africa
to create a plan to govern African colonies together
to divide lands in Africa among themselves
to gather input from African peoples on governing

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.

In what region did the industrial revolution began

What does one prolonged blast and one short blast mean?