John was interested in the Sun's radiations that Earth receives. One of the radiations was in the ultraviolet spectrum. He categorized it as spec A. The other radiation was the visible light. He categorized it as spec B. He then searched online to find the pros and cons of each of them. Which radiation would be less hazardous, spec A or spec B?
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Answer: spec B

Two identical planets, Norlon and Bothar, have been discovered in a neighboring galaxy of ours. These two planets have the same type of atmosphere as Earth and are extremely similar to Earth in terms of topography and even species of animals that live on them. The main difference is that Norlon is inhabited by a species very similar to humans that emit a lot of carbon dioxide into the atmosphere. Bothar, however, has no such species on its planet. Which new planet has a warmer atmosphere?
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Answer: Norlon

Robert and his son Michael are going to the doctor for their yearly physical. Robert is currently in the late adulthood phase of his life. Michael, on the other hand, just began adulthood and is still quite young. Both of them want to ask the doctor about their risks for future health problems. Who is more likely to have a lower reflex time?
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Answer:
Michael