I NEED HELP AND FAST! What is the MAIN cause of acid rain in Canada? A. water pollution caused by producing hydropower B. the use of pesticides by commercial farmers C. large spills near country's coasts D. emission from vehicles and factories

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