An animal has many legs, a very hard exoskeleton, and lives underwater. It is most likely _____.

an insect
an arachnid
a crustacean
a sponge

Respuesta :

Crustacean, sponges ( obviously ) are very soft, insects are land creatures, and arachnids are spiders which are land creatures as well.

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Answer:

an arachnid

Explanation: