CK-12 Foundation
Ck 12: Earth Science: Seafloor Spreading Hypothesis
[Free Registration/Login may be required to access all resource tools.] Covers seafloor spreading and the mechanism for continental drift.
CK-12 Foundation
Ck 12: Earth Science: Seafloor Spreading Hypothesis
[Free Registration/Login may be required to access all resource tools.] Covers seafloor spreading and the mechanism for continental drift.