12. One remarkable realization associated with the discovery of seafloor spreading was thata. the crust of the continents is denser than the crust of the oceanb. the crust of the oceans is very young relative to the age of the crust of thecontinentsc. mountains are denser than then mantled. the rotational poles of the Earth have migrated.firo​

1. 12. One remarkable realization associated with the discovery of seafloor spreading was thata. the crust of the continents is denser than the crust of the oceanb. the crust of the oceans is very young relative to the age of the crust of thecontinentsc. mountains are denser than then mantled. the rotational poles of the Earth have migrated.firo​

Answer:

a. the crust of the continents is denser than the crust of the ocean