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Question
Assertion :Earthworms enhance porosity as they move through the soil and this enriches the growth of a plant. Reason: Roots take up air from the air spaces present between the soil particles.
Assertion :Earthworms enhance porosity as they move through the soil and this enriches the growth of a plant. Reason: Roots take up air from the air spaces present between the soil particles.
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Solution
The correct option is A Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
An earthworm is also known as a farmer's friend because the earthworm acts as a natural plough and move from the soil and overlaps it which increases the porosity of soil which results in a large amount of air is trapped in it which is used by plants and help them in growing.So the correct option is 'Both Assertion and Reason are correct and Reason is the correct explanation for Assertion'.
An earthworm is also known as a farmer's friend because the earthworm acts as a natural plough and move from the soil and overlaps it which increases the porosity of soil which results in a large amount of air is trapped in it which is used by plants and help them in growing.
So the correct option is 'Both Assertion and Reason are correct and Reason is the correct explanation for Assertion'.
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