The diagram below shows some ocean floor features
Which of these statements is correct about the feature labeled A in the diagram? (4 points)
It is the part of the ocean floor where new crusts are formed,
It is the part of the ocean floor where old crusts are eroded.
It is a depression in the ocean floor which initiates sea floor spreading.
It is a depression in the ocean floor which is not as deep as the ocean trench.
