[Solved] Which of the following statements is (are)correct? A)Relative to some other scientists,economists find it more difficult to conduct experiments. B)Theory and observation are important in economics as well as in other sciences. C)To obtain data,economists often rely upon the natural experiments offered by history. D)All of the above are correct. Oral Sex: Sexual activity involving the stimulation of the genitalia of a partner using the mouth. Committed Relationship: A long-term partnership between individuals where there is mutual affection, trust, and support. Opportunity Arises: The emergence of a situation or condition that makes it possible to do something or for something to happen. Erotic Plasticity: Definition: The degree to which one's sex drive can be changed by sociocultural and situational factors.