HOW does the author introduce the idea that it took a while for the 1918 flu pandemic to become deadly?

A

by citing statistics about how many people were killed by the flu virus

B

by describing the different places where the flu virus first appeared

C

by comparing what happened in the two waves of the flu virus

D

by explaining how the death toll went up when healthy young people died from the flu virus

How did the mountains on the oregon trail influence the timing of pioneers’ travels? a.) the pioneers wanted to avoid times when there was snow in the mountains. the pioneers wanted to spend as much time as possible enjoying the mountain scenery. b.) the pioneers crossed the mountains in late fall when the trees were bare and the views were good. c.) the pioneers were rugged people who were not impacted by the terrain they crossed at any time.

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.

How does the establishment clause limit government?