How Does a Tree Make Sap?
Sap is the liquid that flows through trees and other plants and helps them live and grow. The roots of a tree draw from the soil a combinati
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Trees
Why Do Leaves Change Colors in Autumn?
Why Do Leaves Change Colors in Autumn? In autumn, the leaves of many trees turn from green to shades of scarlet, gold, orange, and purple. J
How Is Coal Formed?
How Is Coal Formed? Coal comes from plants that have been buried in the earth so long, they turned hard and black. Millions of years ago, mu
Why Does an Opossum Hang by Its Tail?
Why Does an Opossum Hang by Its Tail? An opossum is a furry animal that looks something like an overgrown rat. It has a long tail without mu
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 t