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Which concept is described in the theory proposed by Hess?


Continents do not move.

Cool rock pushes through the crust.

Trenches are sites of seafloor spreading.

Mid-ocean ridges are sites of seafloor spreading.

Respuesta :

Answer:Mid-ocean ridges are sites of seafloor spreading

Explanation:With time there is a change in the continental structure and the ocean surface and the sea floor spreading

Hess gave a description of mid-ocean ridges as areas where seafloors are known to spread.

What was Hess's Theory

The man called Hess gave the theory that is known today as ocean floor spreading.

According to him, the oceans are known to grow from their middle, with basalt coming out of the mid ranges to form seafloors.

Read more on seafloors here: https://brainly.com/question/23287809