Deciduous. Deciduous means falling off at maturity or tending to fall off, and is typically used in reference to trees or shrubs that lose their leaves seasonally, and to the shedding of other plant structures such as petals after flowering or fruit when ripe.
A combo box is a text box with a list box attached. This type of control enables users to select a predefined value in a list or type their own value in the text box portion of the control. The list is hidden until the user clicks the arrow next to the box.
Inserting a Combo Box. Open the PDF file that you will use for the form. From the Forms menu, select Add or Edit Fields... From the Add New Field pull-down menu, select Show Tools on Toolbar The Forms toolbar appears. Click COMBO BOX TOOL. HINT: The cursor changes to a cross hairs.