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• how does cellular respiration explain why animals breathe rapidly when they are running? energy is used up while running, and cellular respiration needs oxygen to produce more energy. energy is used up while running, and cellular respiration needs carbon dioxide to produce more energy. glucose is used up while running, and cellular respiration needs oxygen to make glucose. glucose is used up while running, and cellular respiration needs carbon dioxide to make glucose.
  
• enzo sits with a small group of friends at lunch. lately, he has been very quiet and stays home a lot even though his friends invite him to go places. he likes to play video games in his free time and is slightly overweight. which behavior is a sign that enzo may need professional mental health treatment? being overweight playing video games withdrawing from activities having a small group of friends
  
• in which way did the goals for soviet intervention in europe differ from those of the united states?
  
• according to the cladogram, which group of organisms is the closest relative to chordates?
  
• what is the potential difference (voltage) if a resistance of 20 ohms produces a current of 10 amperes?
  
• where did the magyars live in relation to what was then known as europe? to the east to the north to the south to the west
  
• type the correct answer in each box. use numerals instead of words. if necessary, use / for the fraction bar(s). a florist currently makes a profit of $20 on each of her celebration bouquets and sells an average of 30 bouquets every week. she noticed that when she reduces the price such that she earns $1 less in profit from each bouquet, she then sells three more bouquets per week. the relationship between her weekly profit, p(x), after x one-dollar decreases is shown in the graph below. use the graph to complete each statement about this situation. the maximum profit the florist will earn from selling celebration bouquets is $. the florist will break-even after one-dollar decreases. the interval of the number of one-dollar decreases for which the florist makes a profit from celebration bouquets is ( , ).
  
• the elkins act and the hepburn act regulated railroads by outlawing kickbacks to the smallest companies and setting higher railroad rates. outlawing rebates to the largest customers and setting railroad rates. outlawing tax breaks to the largest railroads and changing railroad rates. outlawing tax breaks to the smallest companies and raising railroad rates.
  
• fats are divided into three lists based on the type of fat they contain: monounsaturated, polyunsaturated, and saturated. which of the following foods do not contain monounsaturated fat?
  
• why did the articles of confederation have to be replaced by the constitution