camille1022
Answered

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true or false
1.primary waves are slower than secondary waves.
2.earthquakes are always harmful.
3.earthquakes has no good impact to us.
4.surface waves can cause the most surface destruction
5.s waves cannot travel through liquids
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Sagot :

kylie003259

1. Answer: True

Explaination:

P-waves travel 60% faster than S-waves on average because the interior of the Earth does not react the same way to both of them. ... The energy is thus less easily transmitted through the medium, and S-waves are slower.

2. Answer: True

Explaination:

Earthquakes can be very dangerous, if you are in the wrong place. They can make buildings fall down and set off landslides, as well as having many other deadly effects. ... Earthquakes have killed hundreds of thousands of people even though scientists are able to make buildings much safer and stronger than in the past.

3. Answer: True

The same explaination for the question number 2.

4. Answer: True

Explaination:

Surface waves, in contrast to body waves can only move along the surface. They arrive after the main P and S waves and are confined to the outer layers of the Earth. They cause the most surface destruction.

5. Answer: True

Explaination:

S-waves cannot travel through liquids. When they reach the surface they cause horizontal shaking. Liquids don't have any shear strength and so a shear wave cannot propagate through a liquid. Think of a solid material, like a rock.

I answered it correctly and gave you the explaination so hope your kind enough to make me brainliest :(

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