i have n’t been to the ocean, but i hope that it still happens, if we didn’t think about it anna igorevnally, when and how did the oceans form on earth, in order to talk about it, science can add our expert to argue with him, i would add . well, i would like to say, immediately that there are already about 1 billion years ago, the earth was covered with a dense shell. in which there were already continental ledges and oceanic depressions. and if we talk about continents and oceans, then, of course, it must be said that 250 million years ago on our planet earth there was a huge one, you might say, a supercontinent, a pangia supercontinent, and it was washed from all sides by, uh, the ocean of tantalum and now, slowly inside the earth, and-a mantle currents they rose from the bowels, and under the pangeas they stretched this continent and in the process for about 200 million years ago pangea splits into e, lavradia and gun 2no, and between laurasia and gondwana, an ocean is formed. tethys it was called this ocean, which is now the deep waters of the mediterranean sea of ​​the black sea. the