What are oyster shells made of?

Answer Oyster shells are mostly of calcium carbonate, and because of this have extensive use on land for other purposes. People use oyster shells in gardens for the calcium carbonate, and feed them to bir... Read More »

Top Q&A For: What are oyster shells made of

What are mollusk shells made of?

While not all mollusks possess a shell (notable exceptions include squid, octopi and slugs), those that do secrete the shell from a specialized tissue called the mantle. The shell itself is a compo... Read More »

What are diatom test shells made of?

Diatom tests (the hard shell of the diatom, sometimes called testa, or testae) are composed of almost pure silica. Silica is silicon dioxide, which is written chemically as SiO2. Marine botanists... Read More »

In the poem She shells sea shells by the sea shore?

it's 'she sells sea shells by the sea shore', not 'she shells sea shells by the sea shore'.

What are the three sea shells used for (that Sly was asking about)?

It's never said in the movie exactly HOW they're used, but they somehow have replaced toilet paper to clean yourself after going to the bathroom. I can't even BEGIN to imagine...: ).