How did the use of metal tools most affect the development of civilizations during the Neolithic Age?

a
by allowing for the development of long-distance trade
b
by improving the transportation of goods between regions
c
by expanding the productivity of agricultural labor
d
by increasing dependence on hunting and gathering

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.

What is your opinion about government shutdown?

Aprison warden regularly consults with her staff regarding key policy decisions, soliciting their input and asking them to vote on major changes. this suggests that the warden's leadership style is, according to path-goal theory,