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• fill in the blanks to complete each statement about energy in earth’s crust. (use lower case wording only) plate movements on earth’s crust create . this adds energy to the crust, which then bends and breaks, forming .
  
• if a researcher only wanted to examine the relationship between exercise and grade point average, _________ would be used to test the variables. a. correlation analysis b. regression c. hypothesis d. central tendency measures
  
• an iron bar at 200°c is placed in thermal contact with an identical iron bar at 120°c in an isolated system. after 30 minutes, both iron bars are at 160°c. if the iron bars were placed in thermal contact in an open system instead of an isolated system, how would the results be different? assume that the room temperature is 25°c. a. the temperatures of the iron bars after 30 minutes would be less than 160°c because heat would be lost to the surroundings. b. it would take more than 30 minutes for both iron bars to reach 160°c because heat would be transferred less efficiently. c. the temperatures of both iron bars would increase as they absorb heat from the surroundings. d. the temperatures of both iron bars would decrease because pieces of them would be lost to the surroundings.
  
• what was the purpose of nato and the warsaw pact? the phrases below show the purposes of either the warsaw pact or nato.
  
• what are reactants in the process of photosynthesis? check all that apply. carbon dioxide oxygen nitrogen water energy glucose
  
• substances are often packaged into small ________ for transport, either through the membrane or throughout the interior of the cell.
  
• several glands add fluids to the sperm to form semen as it passes through the vas deferens. please select the best answer from the choices provided. t f
  
• which describes oxygen content as earth evolved over time? oxygen levels sharply declined about 400 million years ago. oxygen levels stay above 15 percent starting 200 million years ago oxygen levels remain below 5 percent starting 1000 million years ago. oxygen levels raise significantly between 1000 and 700 million years ago.
  
• which parent’s x chromosome matches calix’s dna? mother's father's both parents' neither parents'
  
• what word did she consider synonymous to ""revolutionary?"" transformation fighting combat rebellion