Quick Answer. Collagen is the protein that all animals have in common, even single-celled animals and creatures such as sponges that lack differentiated bodies. Collagen is a cable-like protein that can calcify into bone, shell or other hard structures.
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Answer:
Una respuesta es una contestación a alguien que nos llama o nos requiere
Explanation:
Before it’s about to divide
Lava flowing because it would put a lot of weight(pressure) and high temperatures
