Question

What did scientists observe in the ocean floor which indicates that the Pacific Ocean is becoming smaller?(1 point)
Responses

spreading
spreading

plates floating on the mantle
plates floating on the mantle

continental drift
continental drift

subduction

Answer 1

The correct response is **subduction**. Scientists observe subduction zones where one tectonic plate is being forced under another, which can lead to the reduction of the Pacific Ocean's size over geological time.