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• which of the following best explains the significance of the nazi-soviet non-aggression pact of 1939?
  
• which of the following best explains why the battle of little bighorn is sometimes referred to as “custer’s last stand”?
  
• landon wants to ride his bicycle 36 miles this week. he has already ridden 4 miles. if he rides for 4 more days, write and solve an equation which can be used to determine mm, the average number of miles he would have to ride each day to meet his goal.
  
• polydactylism occurs _______. a. only in cats b. only in humans c. in less than one in 1000 children d. more commonly in certain populations, such as the amish.
  
• on may 18, 1980, mount st. helens in washington state experienced a huge volcanic eruption after a magnitude 5.1 earthquake. during the eruption, hot ash and pumice poured down the west, south, and east sides of the mountain, melting the snow and ice at the top of the volcano and producing volcanic mudflows. which type of process first occurred in the ecosystem around mount st. helens after it erupted? primary succession secondary succession a climax community species extinction
  
• roaring through the pines"" “shattered by a bolt of lightning” “the deafening peal of thunder”
  
• assuming the population is in hardy-weinberg equilibrium, which of the following is closest to the frequency of carriers in the general population?
  
• gaining control of the mississippi river during the civil war would allow the north to keep the support of the border states. seize control of southern industries separate the north from the south. isolate three confederate states
  
• a student performs the following experiment. step 1: she pours a colorless solution into a beaker that contains another colorless liquid. yellow particles appear in the liquid. step 2: she lets the yellow particles settle in the beaker and then separates the colorless liquid by decantation. what has most likely occurred in the beaker? a chemical change in step 1 and a physical change in step 2 a physical change in step 1 and a chemical change in step 2 chemical changes in both step 1 and step 2 physical changes in both step 1 and step 2
  
• when communicating with apollo astronauts, scientists on earth use radio waves and the ""over to you"" method of communication. this method must be used because of the delay in communication. this delay is due to the