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• natural selection requires that individuals in a population are a. only physically different. b. genetically diverse. c. exactly identical. d. small in size.
  
• the paleolithic period is ____________________ a. divided into three phases. b. also referred to as the new stone age. c. best known for its ceramics and human-like figures. d. took place between 40,000 and 4,000 bce.
  
• how did the end of the hundred years’ war strengthen monarchies? the conflict reduced the power of standing armies. the conflict reduced the power of the nobility. the conflict increased the power of priests. the conflict increased the power of peasants.
  
• cng is a readily available alternative to _________. oil gasoline antifreeze brake fluid
  
• which statement best expresses one theme of ""escape""? discovering your self identity is a challenging process. people often know you better than you know yourself. other people play a big role in shaping who you are. being uncertain about who you are makes you more powerful.
  
• what is the central idea of this poem? the narrator’s moods are altered with the changing weather. the narrator finds a new love for every season of the year. the narrator contemplates his love in the morning and the night. the narrator’s mood is determined by the state of the relationship with his love.
  
• what is the average flow rate in cm3/s of gasoline to the engine of a car traveling at 100 km/h if it averages 10.0 km/l?
  
• look at this chart showing the economic impact of the great depression between 1929 and 1932. a 4-column table with 3 rows is shown. column 1 is not labeled with entries industrial production, foreign trade, unemployment. column 2 is labeled u s with entries down 46%, down 70%, down 607%. column 3 is labeled britain with entries down 23%, down 60%, down 129%. column 4 is labeled germany with entries down 41%, down 61%, down 232%. based on the chart, what can one most likely conclude about the relationship between industrial production and unemployment? a rise in unemployment is tied to a rise in industrial production. low unemployment leads to a decline in industrial production. a drop in industrial production leads to a drop in unemployment. declines in industrial production are tied to a rise in unemployment.
  
• determine the points of intersection of the given functions. y = –x2 + 3x + 20 y = –2x + 15 describe the features of the graphing calculator you would choose and why.
  
• the de broglie relation λ=h/p can be rewritten in terms of the wave number k as p=kℏ . recall that wave number is defined by k=2π/λ . using the fact that λ=v/f , find the wave numbers k1 and k2 corresponding to frequencies f1 and f2 . express your answer as two expressions separated by a comma. use f1 , f2 , v , and π .