Two building trades technicians are discussing the use of ladders on the construction site. technician a says that “ aluminum ladders should be your first choice when selecting a ladder, because they’re lightweight, and easy to maneuver, and lessen the risk of back injury” technician b says that wooden ladders should be your first choice since an aluminum ladder would conduct electricity if it makes contact with a power source. which technician is correct?

Explain the term minorities ? why do they lag behind the majority community both educationally and economically ? how can they get their rightful place in society

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.

Which member of the president's cabinet is most likely to negotiate a treaty with a foreign country? secretary of the interior secretary of the treasury secretary of defense secretary of state