[Q]: Helen is working in the kitchen when she goes to the freezer to get some ice cubes. There is only one ice cube left so she takes it out and sets it in the glass on the table. She then refills the ice cube tray with water and sticks it back in the freezer. Is the density of the water increasing or decreasing?
****
[A]: increasing
input: Please answer the following: Derek is going on a hiking trip with his friends. Before they go they have to decide which mountain they want to go hiking on. Mount Joral is a mountain with a reasonably low altitude. Mount Rook is very high with a much higher altitude. While they are deciding Derek's best friend, Adam, reminds him that he has trouble breathing sometimes. Which mountain will have lower air pressure near the peak?
++++++++++
output: Mount Rook
Please answer this: Two colleagues studied at the same university. Nick studied the brains of birds, while Joe studied the brains of mammals. Which colleague studied less about the mental abilities of an animal?
++++++++
Answer: Nick
Problem: The ecologist moved from Aspen, where there was no air pollution, to Seattle which experienced a lot of air pollution. He started studying the weather there as well. Which city had rain with a lower pH?

A: Seattle
Problem: Given the question: Lucas is sitting between two lakes, lake Hijem and lake Rarsnap, holding a large bag of fertilizer. His neighbor told him to pour the bag of fertilizer in one of the two lakes, but Lucas can't remember which lake he was told to pour it in. Lucas decides to just guess rather than ask for clarification and pours the whole bag of fertilizer into lake Hijem. Which lake will have less dead zones?
++++++++++++++++++++++++++++++++
The answer is:
lake Rarsnap
Problem: In his chemistry lab David is experimenting with how NaOH and HCl gas reacts with each other. He conducted two experiments, experiment A and experiment B. In experiment A he used solid pellets of NaOH, but in experiment B he used ground NaOH. He was surprised to see the difference it made in his experiment. Would experiment B have higher or lower reaction rate than experiment A?

A:
higher