4.2 Restless Continents sci. Flashcards
1
Q
the hypothesis that states that the continents once formed a single landmass, broke up, and drifted to their present locations.
A
continental drift
2
Q
the process by which new oceanic lithosphere forms as magma rises toward the surface and solidifies.
A
sea-floor spreading
3
Q
are places where sea-floor spreading takes place.
A
mid-ocean ridges
4
Q
When Earth’s magnetic poles change places.
A
magnetic reversal
