Nicole was studying different ecosystems. She compared the number of plants living in a forest to those in a desert. Which factor BEST explains why more plants may survive in a forest? There is more rain in the forest.

There is more oxygen in the forest.

There is more sunlight in the forest.

There is more competition in the forest.

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