How Do Bananas Grow?
How Do Bananas Grow? Bananas grow on tall plants that are often called trees. But they are not real trees, because they don’t have a woody trunk. What looks like...
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What Is Fertilizer?
What Is Fertilizer? Plants need six basic nutrients to survive: carbon, hydrogen, oxygen, nitrogen, phosphorus, and potassium. The first three — carbon, hydrogen, and...
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How Does a Tree Make Sap?
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 combination...
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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, much of the earth was swampy...
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How Does Frost Harm Plants?
How Does Frost Harm Plants? On cold winter mornings, feathery designs of ice may form on windowpanes and blades of grass. These icy crystals are frost. Frost kills...
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