Because the user can draw directly to the screen, light pens are used by graphics artists, though they are not as accurate as digitizing tablets. The pen works with CRT monitors but is not as compatible with projectors, LCD screens and other display devices.
THE DEFINITION OF NUTRIENTS. The definition of nutrients is a substance that provides nourishment for growth or metabolism. Plants absorb nutrients mostly from the soil in the form of minerals and other inorganic compounds and animals obtain nutrients from ingested foods. THE SIX ESSENTIAL NUTRIENTS PEOPLE NEED.
Definition of LEAF for Kids. 1. : one of the usually flat green parts that grow from a plant stem and that functions mainly in making food by photosynthesis. 2. 3. : a single sheet of a book containing a page on each side.4.: a part that can be added to or removed from a table top. â leafÂ·less \ËlÄf-lÉs\ adjective. one of the flat and typically green parts of a plant that grow from a stem or twig. : a sheet of paper in a book. : a part that can be added to or removed from a table to change the size of its top surface.