When a check is certified, the bank is no longer obligated to pay the check when it is presented

Which of the following is an automated, auction-based method for matching supply and demand for online display ads?

A) retargeting B) behavioral targeting C) programmatic advertising D) keyword advertising

In the case of a railroad worker accident brought to court in the 1900s, one of the defenses the railroad company used against the plaintiff was the "fellow-servant" doctrine. What does this refer to?? A) ?The claims for such incidents are usually settled out-of-court, as between fellows

B) ?The company is not a separate entity above the employee, but a colleague and a caretaker. C) ?The injured employee had assumed responsibility of the risks involved. D) ?The accident is attributed to the negligence of the co-worker.