both P waves and S waves can travell through solids.In advance, P waves can travel through gasses too but S waves can't.
The eruption of Mount St. Helens provided a prospect for the scientists to examine the effects of the catastrophe. In the eruption, the losses were tragic, however, after the incident, the geologists hugely bettered their tendency to determine eruptions, by safely evacuating thousands of Filipino people prior to the eruption of Pinatubo in 1991.
Scientists also started to learn various other valuable lessons, even some of them have defied the fundamentals of evolutionary thinking. The eruption of 1980, offered a natural laboratory for comprehending that how quickly the catastrophic procedures can reshape the globe, and how briskly wildlife can recover.
Is there a phrase choice??
Answer: Camouflage and Mimicry
Moths that can blend into their surroundings during rest have a distinct advantage for survival from predation, as exhibited by the peppered moth. This adaptation is known as camouflage. Another moth adaptation is mimicry, which confuses or frightens off predators
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