You are watching: Which evidence supports the theory of seafloor spreading
Alfred Wegener"s theory was rejected since a meteorologist and also that is no a real scientist and that that did not have a way that the plates could have moved.
Seafloor dispersing is a procedure that wake up at mid-ocean ridges, where brand-new oceanic tardy is formed through volcanic task and then gradually moves far from the ridge. Seafloor dispersing helps describe continental drift in the theory of key tectonics.
basaltic oceanic crust and also overlying sediment become progressively younger together the mid-ocean ridge is approached, and also the sediment sheathe is thinner close to the ridge.
Plate tectonics is the theory that the external rigid class of the planet (the lithosphere) is divided into a couple of dozen "plates" that move around across the earth"s surface relative to each other
Many fossil comparisons follow me the edges of continents that look like they fit together suggest varieties similarities the would just make sense if the two continents to be joined at some point in the past.
Plates in ~ our planet"s surface ar move due to the fact that of the intense warmth in the Earth"s core that reasons molten absent in the mantle layer come move. It move in a pattern called a convection cell that develops when warmth material rises, cools, and also eventually sink down.
Continental drift is the idea when all of the 7 continents were once combined into one supercontinent. Likewise that the continents are always slowly moving. Bowl tectonics is the idea the the planet surface is separation into changing slabs that plates. Additionally average price of a couple of inches a year.
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Both continent drift and also plate tectonics involve bowl movement. Likewise both theories suggest that the planet is constantly moving.
Earth Science: Geology, the Environment, and the UniverseFrances Scelsi Hess, Kunze, Letro, Sharp, Snow