The seafloor spreading occurs at the mid-ocean ridges. The reason for this is that the convection currents from the mantle manage to break through the oceanic crust and propel magma on the seafloor. As they do, the magma consolidated in the water and new crust is created. Since there's constant pilling up of new crust, it pushes the old crust away in both sides. This results in the movement of the plates, and as they move eventually they will come into a situation to collide, resulting in the continents to start merging with one another. As the continental masses merge, they will gradually create a supercontinent.
Answer:
the bermuda is an area of the western Atlantic Ocean between Florida, Bermuda, and Puerto Rico where a large number of ships and aircraft are said to have disappeared mysteriously.
Explanation:
Ukraine
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2019 saw a significant decrease in civilian casualties. The leading causes were shelling by artillery and mortars, fire from light weapons, landmines, and explosive remnants of war.