stud
bud
Sign up
Log in
Home
Library
Explore
SAT
More
8th Grade Earth Science Mod. E Unit 1 Flashcards | StudBud
8th Grade Earth Science Mod. E Unit 1
1 / 30
Which of the following is the source of humus found in soil?
A
parent rock
B
plants and animals
C
B horizon
D
bedrock
Next
0
0
correct · 0:00
