How do you think overfarming could have led to the downfall of the maya? explain your answer. (due ! )

Speaker 1: now that we are independent, americans should create a government that mirrors the government of great britain. speaker 2: after experiencing a tyranny of great britain, americans know how important it is to limit the government's power. speaker 3: our victory in the revolutionary war prove that americans have wisdom to choose good leaders. speaker 4: as for former colonies, the american states are likely to thrive under a system of strong centralized government. which speaker would most likely support the government established by the articles of confederation? a. speaker 2 b. speaker 3 c. speaker 1 d. speaker 4

The authors of the paper "fudging the numbers: distributing chocolate influences student evaluations of an undergraduate course"† carried out a study to see if events unrelated to an undergraduate course could affect student evaluations. students enrolled in statistics courses taught by the same instructor participated in the study. all students attended the same lectures and one of six discussion sections that met once a week. at the end of the course, the researchers chose three of the discussion sections to be the "chocolate group." students in these three sections were offered chocolate prior to having them fill out course evaluations. students in the other three sections were not offered chocolate. the researchers concluded that "overall, students offered chocolate gave more positive evaluations than students not offered chocolate." indicate whether the study is an observational study or an experiment. give a brief explanation for your choice.

Which event is an example of citizens making a successful effort to change public opinion