Please answer this: Gill and Ann were two fellow botanists. Gill studied alpine tundras extensively, while Ann studied tropical forests. They both discovered very interesting facts about nature and plants. Which person learned more about rocky, snowcapped cliffs, and talus slopes?
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Answer: Gill

Please answer this: A group of researches studied the green house gas emissions and their effects on Earth and people during the eighties compared to the twenties. The eighties produced way more green house gasses than the twenties did. Which decade didn't record parallel increases in concentration of carbon dioxide and average global temperature?
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Answer: twenties

Please answer this: Rob got a compass as a present for his birthday. The magnet in the compass made him very interested in how magnets work. To understand magnets better he categorized objects in two groups, group A and group B. In group A all objects were magnetic, but in group B none of the objects was magnetic. Which group might act as a magnet, group A or group B?
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Answer:
group A