Geology

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Hardest questions

  1. In the geologic time scale how long is an epoch? 1258
  2. In the geologic time scale how long is an era? 1235
  3. What is the phanerozoic eon? 1231
  4. Who is known for creating a widely used climate classification system? 1228
  5. Which of these was the most powerful Earthquake in the 20th century? 1227
  6. Who was the first to propose the theory of continental drift? 1223
  7. What approximates the shape of Earth best? 1222
  8. When a skeletal organism overgrows another and preserves the latter as a fossil, it is called ...? 1222
  9. What is the most abundant metal in the Earth's crust? 1220
  10. Which of these regions has the coldest climate? 1219