In the wave models, you imagined adding energy into the wave by moving your arm up and down or back and forth. These are called mechanical waves. Explain how you know that energy traveled from you to your friend. In your answer, identify the medium that the energy traveled through.

Essay: both benedict arnold and alexander hamilton were ambitious men who took great risks as leaders in the american revolution. write an essay in which you discuss the impact that the ambitions of individuals had on the birth of the united states. remember to use textual evidence from both written sources to support your argument.

Ascientist successfully predicts the outcome of an experiment. you watch carefully and know he didn't cheat. the scientist's success shows that: a) the scientist knows absolute truth about this experiment; success is not possible unless you know the truthb) the scientist was just lucky; no one ever knows what's going on, so successful predictions require luckc) the scientist may know the truth, or at least know something that is close to the truth, or the scientist may have gotten lucky this time; you can't be absolutely sured) the scientist really was cheating, even though you didn't see the cheating; no one can get things right, except by cheatinge) the scientist spent the night at a particular hotel chain and go a free breakfast, giving the scientist the ability to do amazing things

The graphic organizer includes facts about germany and japan. a student created this organizer for a document-based essay on the expansion of totalitarian states. which fact could be added to column a? results of german elections in the 1930s employment statistics in nazi germany germany’s invasions of poland and france a list of domestic laws passed in germany