Question

When did Charles Francis Richter develop the Richter scale?
a) 1901
b) 1912
c) 1921
d) 1935

Answer 1

___heya mate ___


☆☆here is your answer ☆☆

option (d) is right 1935

hope the answer will help you!!!

Answer 2

its d,1935,,,,,,,,,,,,