[Q]: Two groups of students studied Biology. Group One studied mammals, while Group Two studied birds. They focused on the respiratory system. Which group of students learned less about human lungs?
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[A]: Two

[Q]: Mike is an an archeologist. He was pondering about how human legacy would be viewed in the future. For that, he was very interested in technofossils. He located a site with ample evidence of technofossils. He noted that site as site A. To compare site A with a site with no technofossils he located another site. He noted that site as site B. Which site would see less changes in biodiversity in the fossil record, site A or site B?
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[A]: site B

[Q]: Iceland and Ireland both used agriculture as a the main component of their economies. Ireland used lots of fertilizer and had big environmental problems as a result. Iceland does a lot of greenhouse agriculture using geothermal energy, so it is more protective towards the environment. Which country had more fertilizer in the runoff?
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[A]: Ireland

[Q]: Leaf farm and Plum farm provided the neighboring counties with quality produce year-round. plum farm used conventional farming methods such as fertilizer and pesticides, while Leaf farm used alternative eco-friendly methods only. Which farm caused less fertilizer to reach the oceans?
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[A]:
Leaf