Question

In the diagram of the ocean basin, where is the oldest oceanic crust found? A) B) C) D)

Answer 1

Go here: http://www.britannica.com/science/subduction-zone

and read about subduction zones. Then, click on the diagram on that page, locate the subduction zones. Compare that diagram to yours and you will see where the oldest crust is.

@fireball606

Answer 2

D) because the old crust is being pushed away by new crust forming.

Answer 3

I am opting for A - based on my reading at the link I posted.

Answer 4

so we know that because of geography where depth is greater image color is darker,so this mean the right answer will be A ,exactly how @Directrix said above
- I agree with his opinion