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• the arctic tundra is located in the northern hemisphere. please select the best answer from the choices provided t f
  
• slate is a fine grained rock composed of tightly packed layers. most slate was originally some type of shale. what process formed slate?
  
• a triangle has a bottom left angle of (x + 15) degrees and a bottom right angle of (x degrees). 1 parallel and horizontal line sits at the top point of the triangle. another parallel and horizontal line sits at the base of the triangle. the exterior angle to the bottom right angle of the triangle is (4 x minus 20) degrees. what is the value of x? x = 32 x = 36 x = 37 x = 40
  
• what was general macarthur’s main motivation as he led forces in the southwest pacific between 1942 and 1944? his sworn commitment to defend australia his sworn oath to the united states army his bet with admiral nimitz about reaching japan first his desire to keep his promise to return to the philippines
  
• a bag contains 8 black marbles, 16 white marbles, 14 red marbles, and 10 green marbles. a marble is drawn at random from the bag. what is the probability that the marble drawn will not be white?
  
• which of the following political groups supported the election of hiram rhodes revels as the first african american united states senator?
  
• in this lab, you will use a falling cylinder attached to a propeller in a water bath to explore the conversion of energy in a system. you will vary two different variables and determine how each one affects the temperature of the water. in the space below, write a scientific question that you can answer by doing this experiment.
  
• peasants gained power during the hundred years’ war by fighting in the english army. growing food for french soldiers. attacking the english monarchy. spying on french troops.
  
• what are the effects of the words chosen by the authors of sugar changed the world? check all that apply. they underscore the importance of the slave trade in the americas. they create sympathy for the living conditions of enslaved africans. they minimize the impact that the sugar trade had on the african people. they compare the lives of enslaved people with the lives of free people. they provide a metaphor for the bitterness and sweetness of the sugar trade.
  
• which are characteristics of the speed of light? check all that apply. the speed of light is the speed all waves travel. the speed of light is the speed electromagnetic waves travel. the speed of light is 3.0 x 108 m/s in space. the speed of light is the same in all matter. the speed of higher frequency light slows down more than lower frequency light in matter.