The short answer: 20 (composite score) is the national ACT average. About half of students score above that, and half of students score below. The top 25% of ACT takers score about 24 or more, so if your score is above 24, that's excellent.
1 SavinâNorov machine gun. 2  Space Network, a NASA relay satellite system. 3  Sthene, an obsolete unit of force or thrust in the metre-tonne-second system of units. 4  Substantia nigra, a brain structure. 5  Supernova, a stellar explosion, in astronomy and cosmology.  Tin, a metallic element with chemical symbol Sn.
SNM Guideline for Sodium 18F-Fluoride PET/CT Bone Scans. 1. Society of Nuclear Medicine (SNM) is an international scientific and professional. organization founded in 1954 to promote the science, technology and practical. application of nuclear medicine. Its 16,000 members are physicians, technologists.