Quiz

Soil components and composition

Quick checks on what soil is made of.

2 questions · Pass at 70% · +30 pts on first pass

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Question 1

Which of the following answers describe soil? (Select all that apply.)

Crushed rock with water only. A dynamic system made of solids, liquids, gases, and living organisms. A static material that supports plants. A habitat for many organisms.

Question 2

Which option best represents the overall composition of soil? (Note: not all components are equally visible in a soil profile.)

90% minerals, 5% organic matter, 2.5% water, 2.5% air 70% minerals, 10% organic matter, 10% water, 10% air 45% minerals, 5% organic matter, 25% water, 25% air 20% minerals, 10% organic matter, 3% water, 35% air