Did you know that individuals don’t evolve, but populations do?
Earth and Space Science Concept of the Day
Do you know what this word or phrase means?
Rayleigh wave
xRayleigh wave : A Rayleigh wave is a seismic surface wave causing the ground to shake in an elliptical motion, with no transverse, or perpendicular, motion.
The Earth's mantle is a rocky, solid shell that is between the Earth's crust and the outer core. The mantle is made up of many different reservoirs that have different chemical compositions. Scientists...Read more