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Peas, beans, and peanuts are all examples of legumes. Legumes are a specific type of plant which possess nodules on their roots, as shown below.

What is the purpose of these nodules?

2 Answers

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The nodules contain bacteria which can convert atmospheric nitrogen into ammonia
User TRomesh
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The nodules contain bacteria which can convert atmospheric nitrogen into ammonia.
User Yezenia
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