Please answer this: Two meteorologists study Earth's climate. Jerry studies alpine climate, while James studies tropical climates. They both made great progress. Which person didn't observe that the climate becomes colder at high elevations?
++++++++
Answer: James
Problem: Two groups of people participated in a geriatrics study. Group D had people over 65 years old, while group Y had people in their 40's in its composition. Which group had people with stronger immune systems?

A: group Y
Problem: Given the question: A scientist is in the lab testing mixing water with different chemicals. While working with chemical A he notes that the water becomes colder after combining them. With chemical B the water becomes much warmer. Given the changes in temperature, does chemical A cause an exothermic process or an endothermic process?
++++++++++++++++++++++++++++++++
The answer is:
exothermic
input question: Jacob recently contracted the HIV virus and is going to his first support meeting. While there, he meets Dan and strikes up a conversation with him. Dan says that he has had HIV for over a decade at this point and has learned ways to live with it. He is able to give Jacob some good advice on how to handle things and Jacob is very grateful to have someone to talk with. Who has more T cells, Jacob or Dan????
output answer: Jacob
Two groups of patients were under observation for heart disease. The Red group was composed of people with low cholesterol, while the Yellow group was comprised of people with very high cholesterol. Which group had more people with high blood pressure?
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Answer: Yellow
Q: Michael has become bored with his passive life style, and has decided to take up weight lifting as a hobby. He begins to exercise with weights several times a week. Michael's brother, Robert, isn't as motivated as Michael though. Robert decides to continue being mostly inactive and only exercises with weights every couple of months. Who will increase the size of their muscles less?
A:
Robert