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.
Download the standards Print this page. The Common Core State Standards for English Language Arts & Literacy in History/Social Studies, Science, and Technical Subjects (âthe standardsâ) represent the next generation of Kâ12 standards designed to prepare all students for success in college, career, and life by the time they graduate from high school.