Rocks are classified into three groups. Which of the following is not a rock classification?

Rocks are classified into three groups. Which of the following is not a rock classification?
 
  A) angular
  B) igneous
  C) sedimentary
  D) metamorphic

Question 2

____________________ are layered structures created through the activity of primitive algae and bacteria found in rocks.
 
  Fill in the blank(s) with correct word

Question 3

Which of the following is not one of the five categories of soil parent material?
 
  A) glacial deposits
  B) loess deposits
  C) layer deposits
  D) organic deposits

Question 4

The class Aves includes:
 
  A) bony fish
  B) snakes and lizards
  C) birds
  D) dogs and cats

Question 5

The ____ of each main soil component varies from one soil type to another.
 
  A) color
  B) percentage
  C) type
  D) structure

Question 6

Which kingdom includes molds and yeasts?
 
  A) Fungi
  B) Protista
  C) Plantae
  D) Monera

Question 7

Soil contains four components. Which of the following is not one of soil's components?
 
  A) inorganic material
  B) organic matter
  C) muck
  D) air