Using complete sentences, describe what present-day Canada and the United States looked like just prior to contact between Europeans and Native Americans.

What would happen to the tides if there was no moon and no sun in the sky?

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.

The reign of terror describes which period during the french revolution? a. when napoleon led a coup d'etat and seized power b. when the republic executed thousands of citizens c. when france was still a monarchy under king louis xvi d. when other european kingdoms attacked france