Identify the layer in the soil profile that is rich in humus and also act as a shelter to various living organisms.

A- Horizon

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B- Horizon

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C- Horizon

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Bedrock

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Solution

The correct option is A A- Horizon
A- Horizon, the topmost layer of the soil profile is soft, porous, rich in humus and minerals. It is in this layer that most of the plants grow. Many living organisms like earthworms, rodents, etc live in this layer.

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Similar questions

Match the following and choose the correct option:

i. A - horizon a. Small lumps of rocks

ii. B - horizon b. Hard layer which is difficult to dig

iii. C - horizon c. Dark in colour and rich in humus

iv. Bedrock d. Less humus and more minerals, compact

Which soil layer or horizon contains humus?

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