The Richter Magnitude Scale uses the difference of arrival times of the following two seismic waves:
a. R-wave and L-wave
b. S-wave and P-wave
c. R-wave and P-wave
d. None of the above
Ans: b. S-wave and P-wave
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Fill in the blanks with correct word
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A fold in which both limbs dip in the same direction is:
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