00776nam a2200145 i 4500008004100000040000800041082001500049100002500064245003200089260005000121300001700171500001300188520041500201650001400616260114b1987    |||o|||| |||| 000 0 eng d  aGCL  a743.7bGAR10aGarner, Frederick .J10aTree /cFrederick .J Garner  aCalifornia,bWalter Foster Publisher :c1987.  bpbk.c34 cm.  aNo Index  aA tree is a perennial plant with an elongated stem, called a trunk, that supports branches and leaves. Trees are among the tallest and oldest living organisms on Earth and play a critical role in maintaining ecological balance. They produce oxygen through photosynthesis, absorb carbon dioxide, and help in reducing pollution. Their roots stabilize soil, prevent erosion, and support underground water systems.  aFine Arts