Question: John was interested in climate change issues. To that end, he studied two imaginary situations, case A and case B. In case A, there would not be excessive greenhouse gases in the atmosphere. On the contrary, in case B, the amount of greenhouse gases in the atmosphere would increase dramatically. John realized that the amount of greenhouse gases in the atmosphere has many practical implications. Given the paragraph above, please answer correctly the following question: Would the surface temperature of the Earth be lower or higher in case B than in case A?
Answer: higher

Question: Two islands were situated in different oceans. Hill island used fossil fuels and released a lot of carbon dioxide into the atmosphere, while Coral island was very protective towards the air and the ocean. Given the paragraph above, please answer correctly the following question: Which island contributed less to the death of corals?
Answer: Coral

Question: Two neighboring regions were exposed to different levels of abiotic stress. Eastern region was exposed to high levels of abiotic stress, while Western region was almost stress-free. Given the paragraph above, please answer correctly the following question: Which region had more animal species inhabiting it?
Answer:
Western