Iam a beginner so could you tell me how to make someone's question a brilliance

What was different about warfare in the early 1800s and early 1900s?

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.

Me! will give brainliest to whoever answers correctly! arrange the events in peruvian history in chronological order using the numbers 1-6. a. simón bolívar and antonio jóse de sucre’s defeat of spanish forces ensures peru’s independence. b. alejandro toledo is the first indigenous peruvian elected president. c. spanish conquistador francisco pizarro arrives in peru and enslaves peru's indigenous people. d. túpac amaru ii is executed, and his sacrifice inspires peruvians to seek independence and equal rights for indigenous people. e. the chaví­n culture establishes settlements high in the andes. f. attacks by rebel groups threaten democratic rule. (for example, find out the dates of the events (years) and and list them below) you for your time!