About 23 islands or more lack an adequate standard of living.
Because seismic "S" waves do not pass though the core area and the seismic "P" waves are refracted in a specific pattern that reflects the outer cores liquid nature.
The answer is :A) You would go through one sort of material, and then a different, denser material, and then a still-different, still-denser material, because the planet is made of concentric layers, sort of like an onion.
Answer:
The answer you're looking for is Option B.
Explanation:
