Problem: Mark was visiting southern Africa as an exchange student. He was amazed by the beauty of Namib Desert, which is located mostly in Namibia. He kind of enjoyed the hot surface of the desert. Next to Namib desert is the grasslands of Botswana. He noticed that the surface temperature was much lower there. Which place would have higher air density, Namib Desert or Grasslands in Botswana?

A: Grasslands in Botswana
Problem: Given the question: Tim and Fred were two students. Tim studied about negative feedback and the pancreas, while Fred studied about the stomach and the jejunum. Which student read less about the pancreas secreting insulin to stimulate the absorption of glucose?
++++++++++++++++++++++++++++++++
The answer is:
Fred
input question: A team of hikers split into two groups. Group Jones hiked north and camped there overnight. Group George went east. Both groups made campfires and heated cans of soups. Group Jones didn't make holes in the cans, so the cans exploded. The others heated their soup cans the right way, by venting them first. Which group's cans experienced an increase in pressure inside the can that exceeded the strength of the can????
output answer: Jones
David was working in his chemistry lab. He selected two isotopes, sample A and sample B. Sample A had longer half-life, but sample B had shorter half-life. After some time he checked sample A when its one half-life had passed. He noted it as sample A1. Then he came back to see it again when two half-lives had passed. He noted it as sample A2. Which sample would have less isotopes, sample A or sample A1?
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Answer: sample A1
Q: Vic and Joe studied chemistry in school. Joe studied alkanes, while his friend Vic studied other acyclic hydrocarbons. Which friend studied less about the melting points of alkanes?
A: Joe
[Q]: Deep lake presents geothermal activity, while Shallow lake has mixing of saline water with fresh water. Deep lake had more instances of divers having problems because of thermoclines. Which lake has colder water the bottom?
****
[A]:
Shallow