coniferous trees : trees that have needle-shaped leaves all year around and carry their own seeds in cones. The wood of most coniferous trees is relatively soft to cut, so they are sometimes called softwoods.
deciduous trees : these hardwood trees have broad leaves which they shed every fall. It is this group of trees that provides the beautiful colors of Vermont's autumn, as the green leaves change color to brilliant yellows, oranges, and reds.
diameter : the distance of a straight line that passes through the center of a tree.
chlorophyll : the green coloring matter of plants that allows plants to carry out photosynthesis.
in this case, the most
prevalent pigment which determines the color of a plant.
evaporates : when a liquid substance is transformed into a gas.