[Q]: John is a scientist in a large pharmaceutical company. He devices many useful products using his knowledge of chemistry. Today, he has four solutions in front of him, solution A, solution B, solution C, and solution D. Solution A is a buffer, but solution B is not a buffer. Solution C is acidic, but solution D is not acidic. He needs to figure out what each solution does. Would solution A resist or assist in changes in pH?
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[A]: resist

[Q]: Kim and Jane inherited some land. Kim inherited some grassland, while Jane inherited a forest. They both took good care of their properties. Which person inherited a parcel with a thinner A horizon?
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[A]: Jane

[Q]: Scientists are finding more and more evidences of water in the outer space. Earth has mostly liquid water. But that's not the case with other celestial objects. Venus has some water, but it is in gaseous state. On the other hand, water in Jupiter's moon Europa is in frozen state. In which place the state of water is in higher density, Earth or Europa?
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[A]: Earth

[Q]: Two brothers studied chemistry in school. Ted studied alkanes, while Ned studied cycloalkanes. They both received grade A. Which brother learned less about the boiling points of alkanes?
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[A]:
Ned