Question

Nitrogen is one of the important elements for life. Nitrogen is present in DNA and proteins. It’s also a component of       water   chlorophyll   air   in plants, a pigment that’s critical for photosynthesis. Although nitrogen is present in the air, it can’t be consumed directly. It’s converted into usable form by       bacteria   animals   plants  .

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Answer 1

Nitrogen is one of the important elements for life. Nitrogen is present in DNA and proteins. It’s also a component of (water, chlorophyll, air) in plants, a pigment that’s critical for photosynthesis. Although nitrogen is present in the air, it can’t be consumed directly. It’s converted into usable form by (bacteria, animals, plants).

1. chlorophyll

2. bacteria

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