WebPlate Tectonics, Seafloor Spreading, and Continental Drift Fig.1 Plate tectonics is a relatively new theory from the 1960’s that revolutionized the way geologists think about the Earth. According to plate tectonic theory, the outermost shell of the Earth is mobile, and broken into several large (and many smaller) tectonic plates that change size, shape and position over … Webseafloor spreading, theory that oceanic crust forms along submarine mountain zones, known collectively as the mid-ocean ridge system, and spreads out laterally away from …

Section 3: Continental Drift & Seafloor Spreading

WebAug 30, 2016 · These days, the Mid-Atlantic Ridge Tharp mapped is seen as evidence for seafloor spreading and continental drift—a divergent tectonic plate boundary where magma boils up from inside Earth’s... WebMay 20, 2024 · According to this theory, Earth’s crust is broken into roughly 20 sections called tectonic plates on which the continents ride. When these plates press together and then move suddenly, energy is released in the form of earthquakes. That is why earthquakes do not occur everywhere on Earth—they’re clustered around the boundaries of tectonic … bings su windows 11

Continental Drift and Plate Tectonics Let

Webanswer choices. Continents and fossils fitting together/matching-up like puzzle pieces. glacier scars and evidence from temperature. mountain ranges and coal deposits line up across continents. all of the above. Question 4. 60 seconds. Report an issue. Q. WebPlate tectonics is the scientific theory explaining the movement of the earth’s crust. It is widely accepted by scientists today. Recall that both continental landmasses and the … WebAnswer (1 of 4): The seafloor spreading hypothesis: the mid-ocean ridge is constantly producing new seafloor material, which we can see because the seafloor becomes successively older further from the midriff. Where the seafloor and continental plates meet the one with the higher density, the sea... bingsta chair ikea