Chapter 13 Earth as a System: Energy, Matter, and Life - Part 1

What is topsoil?

Type: MCQ • Marks: 1
What is topsoil?
Options
A. Subsurface gravel
B. Volcanic magma
C. The uppermost fertile layer of soil rich in organic humus and microorganisms
D. Deep bedrock
Explanation
Topsoil is the vital nutrient-rich upper soil layer supporting plant growth.
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Class 9th Science (MCQ)

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