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Questions and Answers
Which planet is Earth in relation to the Sun?
third
What percentage of Earth's surface is covered by water?
70.8%
What generates Earth's magnetosphere?
liquid outer core
What is the main reason Earth is able to sustain life?
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What is the main component of Earth's landmasses?
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What is the figure of the Earth in geodesy?
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Why is a spherical Earth a well-known historical approximation?
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What is the motivation behind mathematically modeling Earth's topographic surface?
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What are some applications that require models with greater accuracy than a spherical Earth?
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Who are the professionals concerned with Earth's topographic surface?
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