<p>Зөвийг сонгоорой.</p><p></p><h2>What makes a plant a tree?</h2><p>All trees [[1]]&nbsp;<span data-id="2354">perennial</span>&nbsp;plants. Many tree varieties [[2]] for tens or even hundreds of years, and they tend to live [[3]] than most other types of plants. Trees are also [[4]] from many other plants in the following ways:</p><br><p></p>