Physics
Grade-10
Easy
Question
A dark brown, crumbly material made from decomposed matter is called .
- Compost
- Brown sugar
- Saw dust
- Non-biodegradable
Hint:
- It is used as a natural and organic fertilizer.
The correct answer is: Compost
- The decomposition of plants and animals remains leaves a substance that improves the quality of the soil and is called compost.
- It is used as a natural and organic fertilizer.
- The organisms like earthworms, fungi and bacteria help in the making of compost.
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