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P. Vasudevan
's Polls
What is the name of the CalTech seismologist who invented the s
A. Charles Richter
3 votes (100%)
A. Charles Richter
B. Hiram Walker
0 votes (0%)
B. Hiram Walker
C. Giuseppe Mercalli
0 votes (0%)
C. Giuseppe Mercalli
D. Joshua Rumble
0 votes (0%)
D. Joshua Rumble
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3 votes
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Wolmal
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