Vitamin A is the name of a group of fat-soluble retinoids, including retinol, retinal, and retinyl esters [ 1-3 ]. Vitamin A is involved in immune function, vision, reproduction, and cellular communication [ 1, 4, 5 ].
Along the region, the Atlantic Ocean is rising at an annual rate three times to four times faster than the global average since 1990, according to the study published Sunday in the journal Nature Climate Change.
Abigail A. Share. Feb 1, 2015. The rate of seafloor spreading greatly varies depending on which spreading center, for example in Mid-Atlantic Ride it is approximately 3.6cm/year while in the East Pacific Rise, which is one of the faster spreading centers, it is about 32cm/year.