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Inventions Section - 1 :: Discussion
| 4. | What is the name of the CalTech seismologist who invented the scale used to measure the magnitude of earthquakes? | |
| A. | Charles Richter | |
| B. | Hiram Walker | |
| C. | Giuseppe Mercalli | |
| D. | Joshua Rumble | |
| Answer: Option A | |
| Explanation: | |
|
Richter was born on an Ohio farm in 1900. He died in 1985. |
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| Tutorial Link: |
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