What portion of the normal adult blood volume is contained in the heart?

Who combined their Greco-Roman medical practices with their own natural resources to develop syrups, confections, conserves, distilled waters, and alcoholic liquids during the Middle Ages?

A) The Arabs B) The Merovingians C) Monasteries D) The Egyptians

Which definition is the best for precedent?

A) The ruling of a current case that is applied to a current case when the facts are different B) The ruling in an early case that is applied to a subsequent case when the facts are the same C) Let the decision stand D) Liability for an injury to another person even if there was no intent to harm the other person