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• the acronym fda stands for __________. a. federal dietary association b. food and diet association c. federal dietary administration d. food and drug administration please select the best answer from the choices provided. a b c d
  
• which phrase describes a polymer? a. a branching structure containing 10 carbon atoms and 22 hydrogen atoms b. a crystal containing many sodium ions and many fluoride ions c. a long chain of carbon atoms with hydrogen atoms attached to them d. a molecule containing six carbon atoms arranged in a ring structure e. a single atom of calcium bonded to two atoms of chlorine
  
• what is the slope of the line represented by the equation f(t)=2t−6? the slope is 2 and the y-intercept is −6. the slope is −6 and the y-intercept is 2. the slope is 2 and the y-intercept is 6. the slope is 6 and the y-intercept is 2.
  
• in north korea, all factories and businesses are owned by the government. what type of economy does north korea have?
  
• this map illustrates the countries occupied by germany. the countries occupied by france. that norway was not under german occupation. that belgium was not under german occupation.
  
• read the excerpt. my father had never met andrzej, yet that morning he sent for the boy he had forbidden me to see to come into our house. not a word had been spoken to me about these arrangements. this was my father, and of course i was not consulted. i was standing in the kitchen when i heard andrzej’s voice at our door. my knees sank. mama scrutinized me. i did not even look at his face. “welcome, andrzej. please have a seat.” papa offered him a chair. . . . “i have a favor to ask of you, andrzej . . . this is very difficult for me, but i must ask. it is no longer safe in tylicz for rena. her mother and i are worried for her safety every day.” determine the narrator’s point of view in rena's promise: two sisters in auschwitz. a historian recounting her own experiences during the holocaust a historian describing a survivor’s experiences during the holocaust a teenager describing her own experiences during the holocaust a teenager recounting her parents’ experiences during the holocaust
  
• consider a system to be one train car moving toward another train car at rest. when the train cars collide, the two cars stick together. what is the total momentum of the system after the collision?
  
• cecilia has studied economics and knows about the value and investment potential of diamonds. the price of diamonds has recently decreased, and a new diamond mine has opened nearby. cecilia decides to buy a diamond necklace while the prices are lower. how did cecilia’s knowledge of economics help her make a savvy commodity purchase? she knew that diamonds are popular and in high demand. she knew that diamonds are a nonrenewable resource, making them scarce. she knew that the cost of diamonds depends only on the demand. she knew that the purchase of diamonds will satisfy wants and needs.
  
• which law is described by saying that when the pressure of a gas in a sealed container is cut in half, the gas will double in volume at a steady temperature? boyle’s law charles’s law dalton’s law gay-lussac’s law
  
• john and pat are identical twins with identical dna. john works in a movie theater, and pat works as a lifeguard. they have very different skin pigmentation. which is the best explanation of the difference? skin color, a polygenic trait, is also determined by environmental factors. skin color, a polygenic trait, is also determined by the sex of the individual. skin color, a trait that demonstrates incomplete dominance, is also determined by environmental factors. skin color, a trait that demonstrates incomplete dominance, is also determined by the sex of the individual.