True or false..Spicules are made
are made up of calcium carbonate or silica,
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8
Answer:
True
Explanation:
Some spicules are formed of the mineralized substances calcium carbonate and silica, while others are made of an organic substance called spongin. Spongin skeletons were and are used as scrubbers in bathtubs, though they are fairly expensive. The ubiquitous bathtub accessory called a lufa is NOT a sponge, but a plant.
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0
Explanation:
true ,spicules are made up of calcium carbonate or silica
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