Multiple Choice
________ are the primary source of organic matter in soils.
A) Earthworms
B) Microorganisms
C) Plants
D) Mammals
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q37: _ is the upper few feet of
Q38: The Dust Bowl disaster of the 1930s
Q39: What is the definition of sheet erosion?<br>A)The
Q40: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB7867/.jpg" alt=" Assume the image
Q41: _ weathering occurs when differences in resistance
Q43: Decades ago, a brick factory used to
Q44: Mature soils are characteristic of steep slopes.
Q45: Which soil horizon can hold more water
Q46: During hydrolysis, _ commonly decompose into clay
Q47: Which of the following is a good