The reaction a(aq)⇌2b(aq) is performed at two different temperatures and the equilibrium constant determined. At temperature t1, the k = 800. At temperature t2, the k = 20. Which statement is true?.

Late at night some traffic signals change patterns and become ?

Assessment includes a. interviews, recorded conversations, videos, frequency counts, and time samples. b. formal standardized tests and developmental screening tools. c. various types of documented observations, documentation of child work, checklists, rating scales, and standardized tests. d. anecdotal notes, narratives or daily records, daily health checks, and teacher observation checklists.

Explain how earth is like a giant bar magnet. how is our magnetic field made?