Compressional or P (for primary)
, Transverse or S (for secondary)
, Love, and Rayleigh. Primary waves push and pull the ground in the direction the wave is traveling. Secondary waves travel in the same direction, but they shake the ground back and forth perpendicular to the direction the wave is traveling. Love waves move back and forth horizontally. Rayleigh waves cause both vertical and horizontal ground motion.
Answer:
None of the above
Explanation:
More than a billion years ago, for instance, the North American plate began a rifting process. A triple junction formed in the middle of the young continent, and a deep rift valley developed. Freshwater drained and collected in this rift valley, creating a lake.
Hope this helps
Answer:
At the equator, the sun is directly overhead at noon on these two equinoxes. The "nearly" equal hours of day and night is due to refraction of sunlight or a bending of the light's rays that causes the sun to appear above the horizon when the actual position of the sun is below the horizon.
Hope this helps!!!
Have a blessed day:)
Love you alllllll