Several different processes of varying effectiveness can be used to purify air. 1  Thermodynamic sterilization (TSS) - This technology uses heat sterilization via a ceramic core with micro capillaries, which are heated to 200 Â°C (392 Â°F).
What is Common Core? The Common Core State Standards Initiative is a state-led effort that established a single set of educational standards for kindergarten through 12th grade in English language arts and mathematics.
Forty-two of the fifty U.S. states and the District of Columbia are members of the Common Core State Standards Initiative, with the states of Oklahoma, Texas, Virginia, Alaska, Nebraska, Indiana, and South Carolina not adopting the initiative at a state level.he Common Core initiative only specifies what students should know at each grade level and describes the skills that they must acquire in order to achieve college or career readiness. Individual school districts are responsible for choosing curricula based on the standards.