They are actually part of the "same" theory. Seafloor spreading and subduction are the driving forces of continental drift.
Pangaea was the Earth's only continent 4 billion years ago. Tectonic plates are small plates, while continent drift is several tectonic plates moving as a mass (continent). There are 21 large plates and dozens of smaller ones.
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Plate tectonic theory includes the concept of seafloor spreading and explains how the Earth's lithosphere is divided into tectonic plates that move on the asthenosphere. Continental drift theory was an early hypothesis that suggested the continents were once joined together in a supercontinent called Pangaea and moved apart to their current positions. Plate tectonic theory builds upon the idea of continental drift by providing a more comprehensive explanation of the movement of Earth's lithosphere.
Continental drift is the theory that Earth's continents move slowly over time due to the movement of tectonic plates.
Continental Drift
the movement of the continent i :-)
Wegener's theory of continental drift posits that land masses on Earth move slowly over time due to the shifting of tectonic plates. This movement has caused the formation of continents as we know them today.
Evidence for continental drift includes the matching shapes of coastlines across different continents, similarities in rock formations and geological features between continents, and the distribution of fossils of the same species on different continents that were once connected. Additionally, the alignment of mountain ranges and earthquake patterns also support the theory of continental drift.