The International Space Station (ISS) What is the ISS? When did it go into operation?
What is it used for?
Who owns the ISS?
How often do missions visit the ISS and why?
How have humans gotten to/from the ISS? How will they do so in the future?
What is the longest duration someone has lived in space? Who did so?

Which statement best explains how world war ii to end the great depression? a. new job opportunities opened as the united states produced more military products. b. the u.s. army provided new jobs that paid better than any other work at the time. c. people had to worry more about war problems than about the economic crisis. d. the war caused people to trust the economy enough to spend more money.

What happened in georgia as a result of the supreme court ruling in brown v. board of education? the sibley commission was formed all public schools were desegregated the southern christian leadership was formed the general assembly passed laws to keep schools segregated.

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.