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Arada [10]
3 years ago
6

Plz answer I need help​

Biology
1 answer:
Bogdan [553]3 years ago
3 0
1.Fish gills are organs that allow fish to breathe underwater. Most fish exchange gases like oxygen and carbon dioxide using gills either on side of the pharynx.

2.Gills are branching organs located on the side of fish heads that have many, many small blood vessels called capillaries.

3.The colour is red

4. A Gill filaments project from each arc between the dorsal upper and ventral lower surfaces of the filaments.
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Using these given definitions, a hydrogen bond is labeled with one linkage, while a covalent bond is with two links to the Carbon Atom.

See attached image for a similar diagram for proof.

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<em />

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