For much of the history of microbiology, scientists have studied cells suspended in liquid culture. recently, however, much more attention has been given to bacteria growing as attached communities on surfaces (that is, as biofilms). what are some reasons why biofilms are considered to be such a high research priority?

Intelligence tests are often used to predict a person's future ability to perform in a school setting. alfred binet's initial purpose for developing intelligence testing was to aid students in getting the remedial they may have needed in elementary school. which of the following measures is the best criterion for evaluating the predictive validity of intelligence testing? act school attendance school grades sat job placement