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• which statement best describes a scientific question? it must be based on a hypothesis. it must be supported by data. it must be testable. it must be original.
  
• think about a particularly difficult time in your life. how did you respond to it? by writing in a journal by writing a song or poem by talking to friends or family by never talking or writing about it by listening to comforting music by distracting myself with sports or exercise by trying to forget it happened
  
• who made up the national defense advisory commission?lawyers, policemen, and soldiersadmirals, generals, and lieutenantspoliticians, businessmen, and scientistsfactory supervisors, steel workers, and oil producers
  
• what is the speed of a wave with a wavelength of 3 m and a frequency of .1 hz? 0.03 m/s 0.3 m/s 3.1 m/s 30 m/s
  
• which animals typically have a reproductive group and a nonreproductive group within their social structure? bees lions moose zebras
  
• on average, sea turtles lay about 110 eggs in a clutch. however, only a fraction of the baby turtles make it to the ocean. then, an even smaller number have offspring of their own.
  
• jorge reviewed his notes about global warming before presenting to the class. the students had been asked to research a topic, then share their findings with the class. jorge knew that after his short presentation, the class would ask questions and discuss what he had shared. when mrs. herbert called his name, he was prepared and ready to begin. use the information in the passage to answer these questions. what is the topic of the discussion? who is the audience of the discussion? what is the purpose of the discussion? what is the level of formality of the discussion?
  
• which body activities require energy? check all that apply. growing and developing breathing reproducing moving muscles sweating
  
• look at this chart showing the economic impact of the great depression between 1929 and 1932.
  
• the rule is applied to δbcd to produce δb""c""d"". point b"" of the final image is at (–4, 1). what are the coordinates of point b on the pre-image? (–2, –5) (0, –5) (2, 3) (5, 0)