TY - BOOK AU - Garner,Frederick .J TI - Tree U1 - 743.7 PY - 1987/// CY - California PB - Walter Foster Publisher KW - Fine Arts N1 - No Index N2 - A 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 ER -