Iron and aluminum oxides are major components of igneous rocks. (True or false?)

Iron and aluminum oxides are major components of igneous rocks.
 
  Indicate whether the statement is true or false

Question 2

Residual parent materials have formed in place and have not been transported from one area to another.
 
  Indicate whether the statement is true or false

Question 3

Weathering of rocks usually is most intense in the center of a rock fragment, and gradually decreases toward the outside.
 
  Indicate whether the statement is true or false

Question 4

Alluvial fans are usually characterized by ________ soils.
 
  A) poorly drained B) sandy and gravelly
  C) nearly level D) clay textured

Question 5

A soil developed in transported parent materials will likely have properties related to the properties of the rock below the C horizon.
 
  Indicate whether the statement is true or false