Two groups of children studied about some of the planets from our Solar system and their atmospheres. Group E studied about Earth, while group V studied about the planet Venus. Which group studied more about thick atmospheres causing a strong greenhouse effect?
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Answer: group V

Two old friends were both oceanographers. They were both researching the levels of marine pollution in Earth's oceans. Vic studied the Arctic Ocean, while Dan studied the Pacific Ocean. Which friend observed more oxygen-depleting chemicals in the water?
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Answer: Dan

It is currently spring time where Jonathan lives, and there is a high amount of pollen in the air. When Jonathan goes outside his eyes start to water and become itchy, and he can't stop sneezing. Jonathan's brother, Thomas, was recently invited to a seafood dinner. Thomas decided to eat some shellfish, and a short while later he felt like his throat was closing up and it was becoming difficult to breathe. Who has more life-threatening symptoms?
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Answer:
Thomas