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Which of the following statements is TRUE?
a. Seismic waves travel only on the earth's surface.
b. Shadow zones are areas in which only P waves are detected.
c. Seismic waves move through the earth without changing speeds.
d. The speeds of seismic waves​


Sagot :

Answer:

a.seismic waves travel only on the eart's surfaces

Answer:

a. Seismic waves travel only on the earth's surface

Explanation:

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