Can someone please explain me the meaning of unferlined sentences (rates of plate movements) ! - English - Sentence Clause Phrase

Question

Can someone please explain me the meaning of unferlined sentences
(rates of plate movements) !??

Shambhu Sharan Singh · Accepted Answer

Dear student
Explanation of underline sentence-
<img alt="" src=
"https://s3mn%20mnimgs%20com/img/shared/content_ck_images/ck_5e8c793a749aa%20jpg">Regards

Can someone please explain me the meaning of unferlined sentences (rates of plate movements) !??