[Q]: Cindy has a ball of iron. She measures its density then drops it in a vat of hydrochloric acid. Ashe then removes the irom from the acid noting that the acid ate away as a good potion of the iron. To her suprise however the density of the iron remained constant. Will a solids density decrease or stay constant when some of it reacts to a chemical?
****
[A]: constant

[Q]: Milton has just discovered two new planets while looking through his telescope. Luckily, he has invented a device that allows him to analyze far away planets from the comfort of his own home. He boots up the device and discovers that while these two planets are very similar, planet A has much more carbon dioxide in its atmosphere than planet B. While looking through his telescope, he is also able to see that there is the same race of intelligent creatures on both planets. Milton plans to write to his local observatory about his discovery. Which planet is experiencing less global warming?
****
[A]: planet B

[Q]: Two countries from the same continent have very different climates. Icelandia, located at 70N latitude, and Uganda, situated just south of 30N, Icelandia was mostly flat, had a few mountains under 1,000 ft, but Uganda had a mountain range with peaks just under 3,000 ft. Which country had a lower timberline?
****
[A]: Icelandia

[Q]: Two pharma students read about antiviral and antibacterial drugs. Manny read about antiviral drugs, while George read about bacteria and antibacterial drugs. Which student didn't read how people have been able to prevent certain viral diseases by vaccinations for many hundreds of years?
****
[A]:
George