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• the energy pyramid shows the flow of energy through a temperate forest ecosystem. which trophic level has approximately 100 times more energy than the apex consumer level?
  
• which is not an accurate statement about the mccarran act? a it prohibited the formation of a communist party in the united states. b truman felt the act was unconstitutional, but congress overrode his veto. c it prevented communists from obtaining passports or from entering the united states. d members of the communist party were required to register with the federal government.
  
• which substances must a green plant obtain from its environment to carry on photosynthesis?
  
• in the third sentence of the final paragraph (“there had been singing . . . cloud”), the narrator uses an extended metaphor comparing carolers to angelic singers in order to demonstrate maggie’s
  
• warren thompson’s demographic transition model describes population changes in a country over time. please select the best answer from the choices provided. t f
  
• write an essay that argues your position on the advisability of the 48-hour cell phone ban
  
• for each real-world example presented in the gizmo, guess which type or types of pollution will result by checking the boxes. when you are ready, click check answer to see if you were right. read the explanation, and then use your own words to fill in the table.
  
• the photo shows old faithful in yellowstone national park. a column of water being blown into the air. which statement correctly identifies old faithful and explains how it formed? it is a caldera formed from a vent collapsing. it is a mud pot formed from pools of boiling, acidic mud. it is a volcanic neck that formed as a result of magma that never erupted. it is a geyser that formed due to water heated by magma erupting at earth’s surface.
  
• one of the elements essential to frederick taylor's approach to improving worker productivity was
  
• what is the potential difference (voltage) if a resistance of 20 ohms produces a current of 10 amperes?