This Is a Certified Answer

Certified answers contain reliable, trustworthy information vouched for by a hand-picked team of experts. Brainly has millions of high quality answers, all of them carefully moderated by our most trusted community members, but certified answers are the finest of the finest.
When the leading edge of oceanic plate continues to move downward it is expected that the plate will melt because the temperature gets higher in the deeper parts of the earth considering that mantle is the structure of the earth where heated and solid rocks are found.
4 3 4