The five sentences labelled (1, 2, 3, 4, 5) given in this question, when properly sequenced, form a coherent paragraph. Each sentence is labelled with a number. Decide on the proper order for the sentences and key in this sequence of five numbers as your answer.
- Before plants can take life from atmosphere, nitrogen must undergo transformations similar to ones that food undergoes in our digestive machinery.
- In its aerial form nitrogen is insoluble, unusable and is in need of transformation.
- Lightning starts the series of chemical reactions that need to happen to nitrogen, ultimately helping it nourish our earth.
- Nitrogen — an essential food for plants — is an abundant resource, with about 22 million tons of it floating over each square mile of earth.
- One of the most dramatic examples in nature of ill wind that blows goodness is lightning.
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