What are the southern regions of South America like?
O plains
o desert
tropical
steppes
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Well, i believe it will be a tropical environment mainly because it has to do with lots of trees, and according to google "Outside the Andes, South America has two principal highland areas: the Brazilian Highlands and the Guiana Highlands. ... The heavily forested plateau of the Guiana Highlands covers southern Venezuela, French Guiana, Guyana, northern Brazil, and a portion of southeastern Colombia."

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answer; (b) binge eating disorder;

answer; /// i believe the correct answer is (when one group has an extremely high score at pretest;