C. Checks and balances. because every statement shows that it was being balanced by a power
Rome’s first civil war began as the result of conflict between:
A. Rival military leaders
Rival general’s Gaius Marius and Lucius Cornelius Sulla conflict caused the first Roman Civil War.
Primary treatment<span>. In the primary sedimentation stage, </span>sewage<span> flows through large tanks, commonly called "pre-settling basins", "primary sedimentation tanks" or "primary clarifiers". The tanks are used to settle sludge while grease and oils rise to the surface and are skimmed off.</span>
The answer is 3) From calls made to one hundred randomly generated telephone numbers, people replied to a question about television shows they watch
This is because the people questioned were completely chosen at random and were asked about something they might or might know much about. This is easily the least biased option.
However, other surveys were not biased, e.g. asking heart surgeons about children's diet or asking ex-employees of The World of Baseball Bookstore about the importance of baseball.
These are not a random selection and might not actually provide accurate results.