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

Question

Responses

spreading
spreading

subduction
subduction

plates floating on the mantle
plates floating on the mantle

continental drift

Answer 1

The correct response is subduction. Scientists observe subduction zones where one tectonic plate is being forced under another, which indicates that the Pacific Ocean is becoming smaller as the oceanic crust is being recycled into the mantle.