In civil law where does the burdon of proof lie

In a civil case, a plaintiff files a complaint and states both facts and legal grounds for the civil litigation. The plaintiff has the burden of proof, which means the plaintiff must convince the jury that the facts are as presented and that there is grounds for the case.J

Explanation:

answer; i believe that the correct answer is ; the eastern and western churches spoke different languages;

answer; for children with two myopic parents,the likelihood of becoming myopic is ) correlated with the number of hours spent playing sports each week;