the.com/plate tectonics
earth's crust is a jigsaw puzzle that never stops arguing with itself.
means the theory that earth's outer shell is broken into moving slabs that collide, split, and slide past each other, building mountains and causing earthquakes.
from stitched together in the 1960s from alfred wegener's ridiculed 1912 idea of continental drift, once seafloor spreading gave it actual mechanics and proof.
speedplates move about as fast as fingernails grow
wegener's fatedied in greenland, decades before he was vindicated
hawaii's futureislands drift northwest, slowly aiming toward alaska
pangaeaall continents were once fused, then simply drifted apart