QQuestionBiology
QuestionBiology
What is humus made of? (Select all that apply.)
A. earthworms
B. nutrients
C. bacteria
D. rocks
12 months agoReport content
Answer
Full Solution Locked
Sign in to view the complete step-by-step solution and unlock all study resources.
Step 1:I'll solve this problem step by step:
Step 2:: Understanding Humus Composition
Humus is a complex organic material formed in soil through the decomposition of plant and animal matter. Let's analyze each option carefully.
Step 3:: Examining Option A - Earthworms
Earthworms contribute to humus formation but are not a direct component of humus itself. They help break down organic matter, so this is partially correct.
Step 4:: Examining Option B - Nutrients
Nutrients are present in humus and are a result of decomposition, but they are not the primary structural component of humus.
Step 5:: Examining Option C - Bacteria
Bacteria are critical in the decomposition process that creates humus. They actively break down organic matter and are integral to humus formation.
Step 6:: Examining Option D - Rocks
Rocks are inorganic and not a component of humus, which is an organic material.
Final Answer
The correct answers are: - C. Bacteria - B. Nutrients Explanation: Bacteria are essential in decomposing organic matter to create humus, and nutrients are a key characteristic of humus. Earthworms aid the process but are not a direct component, and rocks are not involved in humus formation.
Need Help with Homework?
Stuck on a difficult problem? We've got you covered:
- Post your question or upload an image
- Get instant step-by-step solutions
- Learn from our AI and community of students