Use the drop down menus to complete the sentence describing the important ideas in Hess’s theory. Hess expanded on Wegener’s theory of BLANK. Hess proposed the idea that BLANK are places where crust is created

wegener’s theory of continental drift; hess proposed the idea that mid ocean ridges are where crust is created

Explanation:

wegener’s theory of continental drift; hess proposed the idea that mid ocean ridges are where crust is created

the supermassive black hole is in the middle of the galaxy.