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.
Coral reefs are sometimes considered the medicine cabinets of the 21st century. Coral reef plants and animals are important sources of new medicines being developed to treat cancer, arthritis, human bacterial infections, Alzheimerâs disease, heart disease, viruses, and other diseases. Since corals are stationary animals, many have evolved chemical defenses to protect themselves from predators.