A substance is a limiting nutrient when it runs out first, meaning that it is needed in a chemical reaction, but isn't present in sufficient quantities to allow the reaction to occur. Test for limiting nutrients in a controlled manner with help from a science teacher and field biologist in this free video on chemistry.
Expert: Brian Erickson
Contact: Ericksontutoring.blogspot.com
Bio: Brian Erickson is a tutor in math and science, as well as a field biologist.
Filmmaker: Todd Green
