Mary, Mary, quite contrary, How does your garden grow? With silver bells and cockleshells, And pretty maids all in a row.
You can play this game by yourself, on the floor or on a table. You need only five playing cards—an ace, 2, 3, 4, and 5. Lay the cards out just as they are shown in the picture at the top of this…
Inside a leaf there are millions of tiny packages of color—yellow, orange, and green. The yellow is called xanthophyll, the orange is carotene, or carotin, and the green is chlorophyll. The green…
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