Adoctor can send hair samples from a newborn infant to be analyzed in the lab to see if the mother drank alcohol during the pregnancy. this is one test that can be performed to assist in diagnosing fetal alcohol syndrome. recalling what you know about elimination of toxicants, briefly explain why this test can be used to determine exposure to alcohol.

Which of the following statements best distinguishes a hypothesis from a theory? a. theories are hypotheses that have been proved. b. hypotheses are guesses; theories are correct answers c. hypotheses usually are relatively narrow in scope; theories have broad explanatory power. d. theories are proved to be true; hypotheses are often contradicted by experimental results.