Química

Consider the following statements about Jack Andraka: 1– Andraka used gold in his research about cancer–testing methods. 2– Andraka invented a new testing procedure for pancreatic cancer. 3– He won the grand prize at the 2012 Intel International Science Fair. 4– He created an expensive but much faster cancer–detecting method. 5– Andraka is a high school student in the state of Maryland, U.S.A. Which of the statements above are true, according to the text?