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Объяснение:

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1.)A seashell (shell) is an external protective skeletal formation that covers the body of mollusks and some other invertebrates.

(или)

1.)Shells are the skeletons of a class of marine animals called molluscs.

2.)People and animals have skeletons inside their bodies, but molluscs have their own skeletons.nhis side.

3.)Small crabs use shells for their home.

4.)People use seashells to create jewelry, home decoration, and clothing.

5.)Some people use seashells as containers for food and water.

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