Question

what key finding in earths ocean floor provided evidence of continental drift? salt flats coral reefs deep trenches mid - ocean ridges question 8

Explanation:

Mid - ocean ridges are underwater mountain ranges formed by plate tectonics. As new oceanic crust is formed at mid - ocean ridges (due to magma rising from the mantle), it provides evidence for the movement of tectonic plates. This movement is related to the concept of continental drift. Salt flats are flat areas covered with salt (usually in deserts or dried - up lake beds), coral reefs are structures formed by coral polyps (usually in shallow, warm ocean waters), and deep trenches are long, narrow depressions in the ocean floor (formed by subduction). None of these (salt flats, coral reefs, deep trenches) directly provide evidence for continental drift like mid - ocean ridges do.

Answer:

Mid - ocean ridges