[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 alveoli?
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[A]: Two

[Q]: Archimedes was a great scientist. He was also a great inventor of machines. He once said that if he could stand somewhere, he could move the earth with his machine. Hearing that, king of Sicily called Archimedes and his fellow scientist Ptolemy to come up with great inventions. Archimedes, as everyone expected, came up with a great machine. But Ptolemy couldn't do much in such a limited time. So, his device was not a machine. Whose device would have created less applied force, Archimedes or Ptolemy?
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[A]: Ptolemy

[Q]: Manny and Annie were two foodie friends. Manny was a health conscious person, he ate organic foods and drank organic milk only. Annie liked all foods, whether they were organic or not. Which friend ate more foods free from agents that could cause human diseases?
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[A]: Manny

[Q]: Dan studied two islands. Loon island had a very stable environment, and there weren't many diverse species of plants and animals. Wolf island displayed lots of evidence for natural selection, and had a large variety of species inhabiting it. Which island had animals that reproduced in greater numbers?
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[A]:
Wolf