Raina has been studying for the sats, and every night for a week she has taken the same simulated sat that comes in a study book. her scores have improved, but on the actual sat (a different set of questions) she scores 400 points lower than on her study tests. it turns out that raina's scores were improving due to effects. select one: a. cohortb. placeboc. practiced. confounding

43. based on what you know about constitutional provisions regarding individual voting rights, which of the following is true? a the constitution places no restriction on the states' power to set voting qualifications. b. the constitution places eight federal restrictions on the states' power to set voting qualifications. c. the federal government cannot restrict the states' power to set voting qualifications except for matters of age and race. d. the constitution places five federal restrictions on the states' power to set voting qualifications.

Which of the following was not a result of early humans increasing proficiency at finding food

Situation #2: imagine that you are a newspaper editor in columbus, oh in 1863. the civil war has been dragging on for more than two years already and shows no signs of ending soon. you are aware that many black males are willing to enlist in the union army but you fear that they may be mistreated and abused by the majority of soldiers on either side in this war. write a one-page letter (double spaced) editorial for tomorrow's edition of the newspaper. the topic is military service in the union army by free african american males. in your editorial, take a clear position for or against having black men join the fight. be sure to give reasons for whatever position you choose to take.