Please answer this: Pat and Tammy are mother and sister. They like to take long walks together. Pat is 60, while Tammy is 32 years-old. Which person doesn't experience declining reaction time?
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Answer: Tammy

Please answer this: Samuel fills a glass cup with water and puts it in the freezer. He leaves the cup of water overnight and when he checks in the morning the cup has shattered. Confused he fills another cup with water and just leaves in on his kitchen counter. When he checks in the morning the glass is in tact. Given a sealed bottle of water, will the bottle expand or contract when the water inside is frozen?
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Answer: expand

Please answer this: David wants to categorize animals according to the sound waves they can hear. Eventually, he was able to categorize them in three different groups, group A, group B, and group C. He placed the animals that can only hear ifrasound in group A. Then he placed the animals that are only able to hear the same frequency of sound waves as humans do in group B. The last group of animals were able to hear only ultrasound. He placed them in group C. Would group C be able to hear higher or lower frequency than group B?
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Answer:
higher