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Social Studies, 22.06.2019 23:40
Donald is studying the eating habits of all students attending his school. he samples the population by dividing the students into groups by grade level and randomly selecting a proportionate number of students from each group. he then collects data from the sample. which type of sampling is used? select the correct answer below: systematic sampling convenience sampling stratified sampling cluster sampling
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Social Studies, 23.06.2019 07:00
Why do you think americans were so fascinated by this idea of the united states stretching from “sea to sea”? give 2 reasons
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Social Studies, 23.06.2019 17:00
The animals in the food web release into the environment, which plants then use for a) oxygen: respiration b) carbon dioxide: respiration c) water vapor: photosynthesis d) carbon dioxide: photosynthesis
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