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The instrument that records earthquake waves is the:

ABarometer
BThermometer
CHygrometer
DSeismograph
Answer & Solution
Correct answer: D. Seismograph
1. Earthquake waves reaching the surface are recorded. 2. The recording instrument is the seismograph. 3. P, S and surface waves each mark it differently. _Source: syllabus Geography, Ch 3 'Interior of the Earth' (kegy203)_
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