When you were born, your skeleton was already inside you. However, there are creatures in the sea that are born without skeletons—so they make their own. But their skeletons are on the outside! …
> table salt (halite crystals), magnified If someone at the dinner table said, “Pass the rocks, please,” what would you give that person? Salt, of course! The salt that people use to season food…
> staghorn sumac Sumac is a small tree or bush with narrow, pointed leaves. It tells people when fall arrives. Its leaves are usually the first to change color. They turn from green to a bright,…
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