How Does Coral Grow?
How Does Coral Grow? Beneath the surface of the sea lie coral formations of many shapes and colors. The formations may look like branching trees tinted green or...
Read MoreHow Does Coral Grow? Beneath the surface of the sea lie coral formations of many shapes and colors. The formations may look like branching trees tinted green or...
Read MoreA sponge is an extremely simple kind of water animal with a soft, elastic skeleton. It has no head, mouth, or brain. Sponges hatch from eggs. The baby sponge attaches...
Read More“Hard” water is water that contains large amounts of dissolved minerals in contrast with “soft water”. The presence of these minerals in the water makes it difficult to...
Read MoreWhy Do Hermit Crabs Live in Discarded Shells? Unlike other crabs, the hermit crab has no hard outer shell to protect its soft body. So it “borrows” the shells of other...
Read MoreChalk is a soft, white limestone. The chemical composition is calcium carbonate with minor amounts of silt and clay. It was formed from the shells that belonged mostly...
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