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Conifers, referred to as gymnosperms, are trees whose leaves stay green year around; its seeds are not enclosed. Most of the deciduous trees, also known as angiosperms, have leaves that change color and die in the autumn; there are a few exceptions such as magnolia trees. Angiosperms also have enclosed seeds. Find out more about confers and deciduous trees and see if you can identify them.
Lung Cancer , Home Improvement
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