If an earthquake occurs in Australia, which waves will a seismic station in Japan record? A. P and S waves
B. P waves only
C. S waves only
D. Neither P or S waves

A. P and S waves

Explanation:

P waves are compression waves while S waves are shear waves. P-waves are usually faster than S-waves (about 60% faster). P and S waves are called body waves because they move through the interior of the earth.

When an earthquake occurs, P and S waves are produced. A seismic recording station an be used to record the arrival of these two waves. Since the P wave is faster than the S wave, hence the P wave would first arrive at the station. The earthquake epicenter can be determined by the difference in time of arrival between the P and S wave.

radiative zone

explanation    

radiative zone is the layer of the sun which energy is transferred away from the core by radiation. although, the core is the only part of the sun that produces an appreciable amount of heat through fusion. in fact, 99% of the energy produced by the sun takes place within 24% of the sun's radius.

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