The Sea Floor Is Constantly Shrinking

The process is continuous because forces cause opposite sides of the mid ocean ridge to constantly move apart making new room for the process to repeat.

The sea floor is constantly shrinking.

The longest chain of mountains in the world is the system of mid ocean ridges. Vl hat happens at deep ocean trenches. This idea played a pivotal role in the development of the theory of plate tectonics which revolutionized geologic thought during the last quarter of the 20th century. It makes up 28 of the earth s surface and is home to the world s deepest oceanic trench the mariana trench.

The atlantic is growing as a result of seafloor being added along the mid ocean ridge that runs its length. But the pacific ocean is slowly shrinking at a rate of 0 5 square kilometers 0 19 square miles per year due to plate tectonics. The seafloor is constantly shrinking. In about 500 million years the pacific will not be there and the.

The pacific is neither growing nor shrinking. Ii hat is the process of sea floor spreading. The seafloor is constantly shrinking. Trenches located near south america alaska and eastern asia are continually removing sea floor as new seafloor is being added along the pacific s mid ocean ridges.

Seafloor spreading is the continuous process of forming new igneous rock at mid ocean ridges by injection of magma that forms new seafloor. Updated 3 30 2017 1 59 42 am. It is also shrinking because of plate tectonics. Rising magma cools and solidifies to form new rock that replaces the ocean floor.

The pacific ocean is the world s largest ocean. In the mid 1900s scientists mapped the mid ocean ridges using sonar. When the weight of an area of earth s crust increases the lithosphere. Because of sea floor spreading the ocean floor is constantly renewing itself.

The reason the pacific ocean is shrinking is because of the deep water trenches there while the atlantic ocean is getting bigger. Log in for more information. Seafloor spreading occurs along mid ocean ridges large mountain ranges rising from the ocean floor. Asked 3 29 2017 1 32 49 pm.

Search for an answer or ask weegy. Vi hat is the evidence for sea floor spreading. It is massive with an estimated area of 63 8 million square miles and an average depth of 13 000 feet. The pacific is slowly shrinking because it is folding the sea floor in towards the center of the earth this is called subduction.