To help answer the critical thinking questions below, review your chapter reading and assignments 2 and 3 and watch the following video from the Earth Revealed series at the following website:http://www.learner.org/vod/vod_window.html?pid=315(Links to an external site.)Once you click on this link, scroll down to Series No. 4,The Sea Floorand click on the iconto play the short video.Question:Despite the age of current seafloor rocks, what evidence suggests that the oceans once existed billions of years ago?Please give athoughtful, original posts!!! do not copy from other website.