[Q]: Stargazers across the world wait for 2020 when newly discovered very bright Neil's comet would start to pass through the inner solar system On December 21, 2020. After December 27, 2020 the comet would leave the inner solar system. Like many other enthusiasts Ken bought a telescope for the event. His friend Mike is interested in that event too, but is too busy to buy a telescope. On which date Neil's Comet would be visible, December 21, 2020 or December 27, 2020?
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[A]: December 21, 2020
input: Please answer the following: Gary is a high school student examining two cells under a microscope for his biology class. In a petri dish, marked Cell X, Gary sees that substances inside the cell are spreading apart from each other making it less concentrated. In the dish marked Cell Y, Gary sees substances coming together and moving into close proximity to one another. Which cell is using less energy?
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output: Cell X
Please answer this: The tourist village had two beaches: Coral beach with nice sand and deeper water was preferred by families, and Surfer beach which had shallow water was a surfer's heaven. Which beach has waves with a shorter wavelength?
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Answer: Surfer beach
Problem: John is a scientist in a large pharmaceutical company. He devices many useful products using his knowledge of chemistry. Today, he has four solutions in front of him, solution A, solution B, solution C, and solution D. Solution A is a buffer, but solution B is not a buffer. Solution C is acidic, but solution D is not acidic. He needs to figure out what each solution does. Which solution may not have a weak acid or a base and its salt, solution A or solution B?

A: solution B
Problem: Given the question: Patty was a runner and liked hiking so she spent a lot of time outdoors. Her friend Fay sealed up her home to save money on energy and spent most of her time indoors. Both friends lived in an area with moderate to high levels of air pollution and attended a seminar where they learned more about the impact of air pollution on human health. Which friend saved less money on cooling costs?
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The answer is:
Patty
Problem: Ben and Jack both loved microorganisms. Jack decided to study more about lactic fermentation, while Ben decided to study more about protozoa. Which person read more about cheese and yogurt?

A:
Jack