Answer:
d.Modena and Parma didnt become part of sardinia
China is a Communist Economy
The Answer is True........................................................
The data are qualitative because they don't measure or count anything
Seafloor spreading<span> is a process that occurs at mid-ocean ridges, where new oceanic crust is formed through volcanic activity and then gradually moves away from the ridge. </span>Seafloor spreading<span> helps explain continental drift in the theory of plate tectonics. </span>