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Description
Flashcards by kgrogers22, updated more than 1 year ago
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Created by kgrogers22
about 12 years ago
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| Question | Answer |
| what is natural? | (1). obliquity (2). eccentricity (3). precession **known as the milankovitch cycle |
| oliquity | currently angled at 23 degrees, angle of tilt changes overtime, 22.1-24.5 degrees over entire cycle |
| eccentricity | earth's gravity is a circular path, 90,000-100,000 years, rotation turns more oval |
| precession | earth's rotation wobbles (like a top) |
| global warming | leads to increase in earthquakes, volcanic eruptions, and tsunamis |
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