Search results
Hace 9 horas · GIA Diamond Essentials Final Exam - Questions with Verified Answers The combination of the Four C's relates primarily to Value The metric carat equals 0.200 gram The small, flat, polished surfaces on a finished diamond are called Facets Most diamonds used in jewelry are Nearly colorless to very light yellow or light brown Diamond is composed primarily of Carbon Gem shapes and cutting styles ...
Hace 9 horas · In astronomy, dark matter is a hypothetical form of matter that appears not to interact with light or the electromagnetic field.Dark matter is implied by gravitational effects which cannot be explained by general relativity unless more matter is present than can be seen. Such effects occur in the context of formation and evolution of galaxies, gravitational lensing, the observable universe's ...
