P waves can travel through liquid and solids and gases, while S waves only travel through solids. Scientists use this information to help them determine the structure of Earth.
S waves have a larger amplitude than P waves and cause the ground's surface to move both vertically and horizontally, making them more dangerous. Surface waves, which move slowly, are the last to arrive. P waves leave the earthquake first and go the furthest. Rock oscillates perpendicular to the direction of wave propagation in S or shear waves. In rock, S waves typically move at a pace of roughly 60% that of P waves, and they always come after the latter. Points of solid media move back and forth perpendicular to the wave's direction of propagation due to S waves, also known as shear or transverse waves. As the wave passes, the medium is sheared first in one direction and then in the opposite direction.
To learn more about P-waves and S-waves click the link below:
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Answer:
B) Singapore and Hong Kong
Explanation:
In Euromoneymagazine's 2017 semi-annual "Country Risk Rating. Singapore and Hong Kong was found to be the countries with the lowest political risk. This was as a result of stability in government which reduces the risk that their government would default on its financial commitments. And no possible changes in the business environment that may negatively affect operating profits.
<span>The harvesting of rice is an economic activity that is most
common in Eastern Asia. The climatic condition of Eastern Asia is most suited
for the cultivation of rice. Many families are dependent on the cultivation and
harvesting of rice for making their livelihood.
The cultivation of rice is the principal activity for them. The cultivation of rice requires good amount
of rainfall. The climatic condition of this region helps in good production of
quality rice. The rice is often exported to make foreign currency. </span>
