6. rats learning a maze are tested after varying degrees of food deprivation. some run the maze after 4 hours without food, others after 8 hours, and others after 12 hours deprivation. in this study,
a. food deprivation is the manipulated independent variable
b. the rats are a subject variable
c. the independent variable is a task variable
d. food deprivation is the dependent variable

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answer; i believe the answer is 80%, plz check first good luck;

answer; eliminate parking problems in cities, because a car took up only half as much space as a horse and buggy;

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answer: a federal government has final authority on interstate/inter provincial  and international affairs, a confederation is one where the central/national government or authority is governing body what does not have final say over the same matters. hopefully this and i will try again if you don't like this answer : )

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