What was Mohorovičić's observation?

Biology

2 answers:

Alja [10]3 years ago

8 0

Answer:

Option (4)

Explanation:

Andrija Mohorovicic was a famous seismologist from Croatia. He observed that the seismic waves namely P and S waves travel through the interior of the earth. The speeds at which these waves travel is different in the different layers of the earth. The P wave was observed to be travelling at a faster rate than the S wave and it can travel in both solids as well as liquid i.e it can travel through the crust, mantle and core region. Whereas the S wave can travel only in crust and mantle. <u>This variation in speed occurs due to the increasing density towards the inner core of the earth</u>.

Thus the correct answer is Option (4).

Reptile [31]3 years ago

7 0

Answer:

Seismic waves traveled at varying speeds.

Explanation:

The Moho Discontinuity was discovered by one Croatian seismologist, Andrija Mohorovicic. He realized that the speed of a seismic wave depends on the density of the material the wave is moving through. Mohorovicic interpreted the acceleration of seismic waves observed within the Earth's crust as a change in composition of matter within the Earth.

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