Millions and Billions of Years Ago: Dating Our Earth and Its Life

by Norman F. Smith

Discusses the processes by which scientists determine the age of their specimens, such as counting the number of tree rings, reading the strata, and using chemical analyses and the carbon-14 test.... This description may be from another edition of this product.

• Format: Hardcover
• Language: English
• ISBN: 0531125335
• ISBN13: 9780531125335
• Release Date: January 1993
• Publisher: Franklin Watts
• Length: 127 Pages
• Weight: 0.99 lbs.
• Dimensions: 0.7" x 6.3" x 9.3"
• Age Range: 12 to 17 years
• Grade Range: Grades 7 to 12