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.
California Common Core State Standards. 1  The adoption of the CCSS in California in 2010 was an outcome of an extensive review process. 2  Read what students should know and be able to do at each grade level in English language arts/literacy (PDF; 2MB) and mathematics (PDF; 3MB).