A group of researches studied the green house gas emissions and their effects on Earth and people during the eighties compared to the twenties. During which decade did Earth experience a less prevalent heating effect because of green house gas emissions?
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Answer: twenties

A scientist with an interesting idea for an experiment begins building a dome. This dome will be completely cut off from the rest of the world. It will produce all of its own resources, breathable air, anything needed to sustain life, putting it into a state of homeostasis. Given the dome experiment is a success will carbon dioxide levels increase, or stay fairly consistent?
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Answer: consistent

Two old friends Mary and Ann lived thousands of miles away. Mary lived on the Big Island of Hawaii, while Ann lived in Boston. Mary visited Boston, while Ann has never been to Hawaii. Which friend never visited Nihau Island?
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Answer:
Ann