The correct option is B. The newest crust on earth is located at the actual site of the floor spreading and as new crusts are formed they replace it. Thus, the older the crust the farther it is from the mid ocean ridge.
Sea floor spreading is a geological process in which tectonic plates splits apart from one another. It occurs at divergent plate boundaries.
Answer: Don’t know but I want to know.
Explanation:
The answer to 2-7 would be -5, but 7-2 would be 5, depends how specific one is trying to be.
