How have technological advances changed teachers' roles? -Teachers serve more as primary sources of information than as mentors and guides.
-Teachers serve more as mentors and guides than as primary sources of information.
-Teachers are being replaced by digital and mobile technology devices in schools and at home.
-Teachers are required to spend time confiscating digital and mobile technology devices in schools.

Answer is B for edg

Rank the following from most to least devasting: ordovician,permaian,cretaceous, pleistocene

What happened in georgia as a result of the supreme court ruling in brown v. board of education? question 3 options: the sibley commission was formed all public schools were desegregated the southern christian leadership was formed the general assembly passed laws to keep schools segregated.

According to the federal regulations, which of the following studies meets the definition of research with human subjects? a study of twenty 4th grade classrooms in which researchers ask the schools to systematically vary the time of day reading is taught, and collect weekly assessments of reading comprehension for each child over a three-month period.the collection of data, by a playground designer hired by the superintendent of schools, about the physical dimensions of school playgrounds, presence of fencing, and the kinds of equipment currently provided.a feasibility study for implementing a year-round school program, focusing on economic issues such a facilities utilization and transportation costs.an analysis of aggregate data comparing statewide high school graduation rates provided by the state department of public instruction, using county tax information.