All of the following are possible sources of error in a scientific investigation except for discovering new variables as the experiment proceeds. completing multiple trials during an experiment. using the wrong equipment during the experiment. not controlling all the variables in an experiment.

How does the narrator’s knowledge of his postapocalyptic world in "by the waters of babylon” affect his reactions to the different settings? it motivates him to make up stories about the world and the places he explores. it has caused him to fear the settings outside the hill country, so he tries to avoid them. it forces him to reject what he sees and experiences himself at various locations in the story. it makes him cautious about new settings yet open-minded and critical of what he experiences.

From the story " saving the children"why is nicholas winton honored today? why did jewish people in czechoslovakia want to get their children out of the country? where did nicholas winton do his work saving the children? why was it hard for winton to find refuge for the children? to confirm your understanding, write a summary of “saving the children.”(a) aside from winton, who were the interview subjects? (b) analyze what do most of the interview subjects have in common? (a) why wasn’t this story told until 50 years later? (b) infer what does this say about winton’s character? summarize how did winton finally manage to get the children out of czechoslovakia? (a) support what was the “lie” hugo meisl’s parents told hugo and his brother before they sent them away? (b) make a judgment was this the right thing to do? explain. essential question: how do we remember the past? what have you learned about the nature of heroism from reading this article?

Which form does a verb take when the subject receives the action? passive active imperative indicative