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.
Technically, Common Core originated from the National Governorâs Association (NGA), Council of Chief State School Officers (CCSSO), Achieve Inc., ACT and the College Board. Its state standards are copyrighted by the NGA and CCSSO, a private company, which means they cannot be changed.