What did Ernest Rutherford expect to happen when he aimed a beam of particles at a thin gold foil? The particles would deflect at sharp angles or completely back toward the emitter. The particles would pass through the foil undisturbed. The particles would deflect at right angles after hitting the foil. The particles would be deflected slightly after passing through the foil.

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.

In which type of economy are these decisions made by the producers , consumers, and the goverment?

4. discuss three characteristics of postmodern society? how does postmodern society differ in these characteristics than pre-industrial or modern societies?