The border between the
transparent edge of the cornea and the white of the fibrous sclera is the limbus.
The limbus contains clusters of limbal stem cells that help to maintain the corneal
epithelium and to regulate corneal transparency and vision throughout life. The
limbus also acts as a boundary that protects the conjunctiva and its blood
vessels.
The correct answer is D.
Seafloor spreading is a process of creating seafloor crust out of volcanic materials that are emerging from the Earth's core at the mid-ocean ridges.
This is made possible by the moving of Earth's tectonic plates.
A molecule is made of more than one atom of differing elements that can be simplified while an element cannot be simplified because it is only one atom of one type of element.
Meteorology is the science of the weather. The weather person on the TV is a meteorologist.
Some of them quite liked meteorology, but others only tolerated it as it is not an exact science