Answer to Question 1ANS: A
Igneous rocks are those that crystallize from molten material. The texture they have is determined by
the time it takes for the molten to cool. Information can be found in the section Sediments May be
Classified by Source
Answer to Question 2ANS: C
The color of sediments can offer a great deal of information. White usually indicates biological
origins, but sediments can range from reds to greens. Information can be found in the section
Sediments Vary Greatly in Appearance.