6. what is the difference between wavelength and frequency?

3. what is the purpose of a lead sentence or paragraph? to display your most convincing reasons and arguments to you revise the overall structure of your work to interest readers and introduce your writing style to add details and elaborate on your ideas

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 development most aided explorers in their ability to set sail the oceans to discover the new world during the age discovery? a.waterproof sails b.the printing press c.map-making devices d.fictional travel accounts