Earth

John Glenn first orbited the earth in what year?

More Questions from Earth
What is it called when a plant produces two kinds of sex cells?
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What does granite become when put under heat and pressure?
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What are the broken-off pieces of glaciers that make it to the open sea called?
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What is the current era in the geologic time scale?
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What is the wearing away of parts of the Earth by water or wind called?
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Which of these rivers is most likely a glacial boundary river?
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In what month does a "Milk Moon" occur?
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What is the area filled with groundwater called?
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