John wanted to see how he would fare in high altitude compared to ground-level. So, he first measured his responses in ground-level. He labeled this part of the study as case A. Then he board on an airplane to reach high altitude, and measured his responses there. He labeled this part of the study as case B. Now, John knows how he needs to prepare for a high altitude hiking. Given the paragraph above, please answer correctly the following question: Which case would see lower atmospheric pressure, case A or case B?
Ans: case B

John is interested in the history of science. He went to a science museum to learn more about microscopes. First he saw a Leeuwenhoek microscope, which was labeled as item A, then he saw a compound microscope of Leeuwenhoek's time, which was labeled as item B. At the very end of his museum tour he saw a modern compound light microscope, which was labeled as item C. Given the paragraph above, please answer correctly the following question: Which one would have more lenses, item A or item B?
Ans: item B

Keith was reading a book on climate. He found an interesting table that showed the climatic conditions of the earth in two different times, time A and time B. Time A showed earth's climatic condition in the previous century. And, time B showed earth's climatic condition in the present century. Keith was amazed to see how the world has changed in just a century. Given the paragraph above, please answer correctly the following question: Which period would be more harmful for habitat of species, time A or time B?
Ans: time B

Dan and Fred were friends. they studied Biology at the same University. Fred studied bird reproduction this semester, while Dan studied fish reproduction. Given the paragraph above, please answer correctly the following question: Which friend studied more about male fish releasing their gametes into the surrounding water?
Ans: Dan