Organisms with the most favourable traits will increase their success rate in a particular environment. Organisms with favorable traits are more likely to reproduce and pass on their traits than organisms without favorable traits, allowing it to survive.
So by looking at the seismic waves from earthquakes the scientist learned about the crust and the mantle but they also learned about the outer and inner core. To do this you have to look at a different kind of waves, the S (secondary waves) waves that also get released by an earthquake.
The answer to your question is Fulgeration
Answer:
gravity
Explanation:
Gravity from Latin gravitas meaning weight for gravitation is a natural phenomenon by which all things with mass or energy including planets stars or galaxies and even light are brought toward or gravitate toward one another gravity gives way to physical objects