Foods thawed in the microwave can be refrozen after heating it to this safe temperature. It is safe to reheat frozen leftovers without thawing, either in a saucepan or microwave (in the case of a soup or stew) or in the oven or microwave (for example, casseroles and combination meals).
Post-secondary education is a level of education that goes beyond a secondary level of education. This is usually any type of education after high school, which is considered secondary education. Post-secondary education is offered by colleges, universities, vocational schools and any other educational facilities that provide an academic degree or certificate.
Post-secondary education, divided into college, as the first tertiary degree, and graduate school, is described in a separate section below. The United States spends more per student on education than any other country. American students rank 14th worldwide in cognitive skills, just behind Russia.