Which submersible vessel has been used deep-sea research

The buildup of sediments where a river empties into a slow-moving or nonmoving body of water is known as a/an

The cluster of developing cells from conception until birth is called an

When new rock is added to an oceanic ridge, the magnetized strips on either side of the ridge are evidence of sea-floor spreading. this is because the rocks on the two sides of the ridge o are equal in width and in polarity are polar opposites oare magnetized vary in width but are equal in polarity