Many schools report your GPA on a 4.0 scale. Obtaining this grade at the end of the semester would be the equivalent of getting all A's or perfect scores in all your classes. If you have perfect scores all around then there is no need to use this calculator as your GPA is obviously 4.0.
coral. 1  the hard, variously colored, calcareous skeleton secreted by certain marine polyps. 2  such skeletons collectively, forming reefs, islands, etc. 3  the solitary or colonial polyp that secretes this calcareous skeleton. 4  a reddish yellow; light yellowish red; pinkish yellow.
The world's coral reefs consist of either hard coral or soft coral. While coral reefs offer the most biologically diverse ecosystems in the world, they consist of just three types of plants. The plants help form part of the food chain that helps the coral grow.