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• in the formal operational stage, adolescents begin to think more as a scientist thinks, devising plans to solve problems and systematically testing solutions. this type of problem solving requires
  
• henry was studying two populations of the same species of lizards. one population lived on an island and the other lived on the mainland. both populations were affected by a hurricane that hit the island and the mainland with equal force. a year later, henry was testing the gene frequency and saw a decrease in genetic variation in the island species, but not in the mainland species. which best describes a conclusion he might have reached? gene flow greatly affects small populations, but large populations can recover. genetic drift greatly affects small populations, but large populations can recover. gene flow greatly affects large populations, but small populations can recover. genetic drift greatly affects large populations, but small populations can recover.
  
• atoms of iron (fe) form metallic bonds with other iron atoms. how are the valence electrons of these atoms rearranged to form the bonds?
  
• find the ratio in which y axis divides the line segment joining the points 5 - 6 and -1 - 4 also find the point of intersection
  
• some studies have shown that peppermint odor increases people’s mental sharpness, especially when they solve math problems. which best describes how this could be a valid scientific claim?
  
• what is the ultimatum game? what did the researchers find when they used this game in other cultures?
  
• one of the elements essential to frederick taylor's approach to improving worker productivity was
  
• which ordered pair is in the solution set of the system of linear inequalities?y > three-halvesx – 1y < three-halvesx – 1 on a coordinate plane, 2 dashed straight lines are shown. the first line has a positive slope and goes through (0, negative 1) and (2, 2). everything to the right of the line is shaded. the second line has a positive slope and goes through (0, negative 1) and (2, 2). everything to the left of the line is shaded. (–5, 2)(2, 2)(5, 2)no solution
  
• the computer on the corner desk is [wol] for everyone to use. determine the correct homophone. there their they’re they
  
• read the excerpt from monster. o’brien nothing further. cu of mr. sawicki. he starts to leave the stand but is then held up by the judge. cut to: petrocelli petrocelli you said you’re a teacher in mr. harmon’s school. do you live in his neighborhood? sawicki no, i don’t. what can be inferred? the judge is not sure whether o'brien is finished questioning mr. sawicki. mr. sawicki is not familiar with courtroom procedures. petrocelli does not believe what mr. sawicki says. mr. sawicki knows that mr. harmon's neighborhood is not safe.