Meeting the needs of the present without compromising the ability of future generations to meet their own needs.

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.

During the period from 1865 to 1898 how did the political/economic elite contain the demands of farmers and laborers for economic justice

As you drive down the highway, a child in the back seat asks why the tall buildings downtown are moving so slowly when the roadside is moving so quickly. because you have read your psychology text, you are able to answer her question by responding that this is an example of: