Deciduous in deer, deciduous teeth (baby teeth) in some mammals (including humans); or decidua, the uterine lining that sheds off after birth. Wood from deciduous trees is used in a variety of ways in several industries including lumber for furniture, construction and flooring (oak), ornamental, bowling pins and baseball bats (maple) and furniture, cabinets, plywood and paneling (birch). In botany and horticulture, deciduous plants, including trees, shrubs and herbaceous perennials, are those that lose all of their leaves for part of the year. This process is called abscission. In some cases leaf loss coincides with winter—namely in temperate or polar climates.
Language acquisition by deaf children but do not use sign language have better communication outcomes and social well-being than Deaf children who use sign language. The general stages of language acquisition are the same whether the language is spoken or signed. There are certain unique features of sign language acquisition due to the visual/manual modality and these differences can help to distinguish between universal aspects of language acquisition and aspects that may be affected by early experience. The very earliest linguistic tasks facing newborns are perceptual. Babies need to determine what basic linguistic elements are used in their native language to create words (their phonetic