Rearrange the following sentences to form a coherent paragraph.
- 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.