a conclusion deduced

to express an opinion about something, to remark:

spread, placement (over an area)

demanded; imposed obligation; prerequisite

a study of information about something, (syn.) an inquiry:

work done to find facts and solutions to problems, a study: 2 a written report of that study

adv.adj. for each hundred of something

another choice (ways or means); different

n.pl. used often with a singular verb [U] raw or organized information; statistics, known facts, evidence

care or upkeep, as of machinery or property