This informative book is designed to help struggling readers grasp the nitrogen cycle. There are many steps in the nitrogen cycle that include difficult concepts and words: denitrification, prokaryotes, ammonia, and more. Low-level language, fact boxes, and an extended glossary provide readers with key vocabulary explanations that allow them to further understand each step of the cycle. Full-color diagrams aid readers' comprehension as they move through the cycle from start to finish. A must-have for science students.