[Q]: Jim's dad is a scientist. While his dad is out working he goes to the lab in the basement and find an electroscope. The electroscope is currently in a neutral state. He then grabs a nearby rod that is positively charged and moves it near the knob of the electroscope. Fascinated he sees the leaves of the electroscope move apart from each other. Given the leaves move apart from each other, is this an example of them having the same charge or different charges?
****
[A]: same
input: Please answer the following: Two students at the Agricultural Institute studied pedology. Bob studied soil weathering, while Dan studied types of soil. Which student studied more about rainwater reacting chemically with the soil particles?
++++++++++
output: Bob
Please answer this: An anthropologist gathered observations for two native tribes from southern Africa. He noticed that both tribes spend the majority of the day outside, and therefore they are both exposed to fairly high amounts of UV light. He also quickly realized that one key difference between the tribes was that members of tribe A had dark skin, while members of tribe B had light skin. Members of which tribe will block more UV light from penetrating their skin?
++++++++
Answer: tribe A
Problem: 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. Which planet would be more conducive for life, Earth or Venus?

A: Earth
Problem: Given the question: Mike is studying chemistry for his exam. Today, he is studying the properties of acids. He picks up an acid solution that he labels as solution A. To compare it with another solution he chooses a solution that is not an acid. He labels it as solution B. Would solution B have higher or lower pH value than solution A?
++++++++++++++++++++++++++++++++
The answer is:
higher
Problem: To reenact James Watt's experiment, John sealed some water in a container. He called this stage of his experiment as stage A. Then he started heating the water in the sealed container. He labeled this stage as stage B. Once the temperature reached hundred degree centigrade, he added more heat to it. He called this stage as stage C. Once all the water has turned into steam, he kept adding heat to it. He called this last stage of is experiment as stage D. At which stage the water would not bigin to vaporize, stage B or stage C?

A:
stage B