Holt McDougal Earth Science Virtual Investigations CD-ROM Holt McDougal Earth Science With an emphasis on inquiry, Holt McDougal Earth Science provides students with opportunities to observe and apply the scientific processes for Earth science mastery. Grades: 9-12 Material Type: Resource Materials Format: CD, 4 Pages ISBN-13/EAN: 9780554016344 ISBN-10: 0554016346 Product Code: 1084351 National/State: National Copyright Year: 2010