Millions and Billions of Years Ago
by Smith, Norman F.
Series:Venture Book
Prefer borrowing? Open Library may have a digital copy too.
AR Book Level
9.4
AR Points
4
Word Count
23,042
Interest Level
Middle Grades (MG 4-8)
Genre
Nonfiction
AR Quiz #
1796 EN
About this book
This book discusses the processes by which scientists determine the age of their specimens, such as counting the number of the tree rings, reading the strata, and using chemical analyses and the carbon 14 test.
