No. of pages 112
This book is part of a book series called How Do We Know .
There are 112 pages in this book. This book was published by Rosen Classroom .
Natalie Goldstein has been an educational writer for 20 years. She has written numerous publications for young readers on topics such as oceanography, viruses and disease, grassland and forest ecology, and climate change. Goldstein has master's degrees in education and environmental science.
This book is in the following series:
Great Scientific Questions and the Scientists Who Answered Them