What water data does the USGS gather? What does river stage mean? Does stage tell you how much water is flowing? A 100-year flood two years in a row. How can that be? Is measuring water in a well like measuring a stream? Why do water levels in wells rise and fall? Floods, droughts, glaciers: Floods Q&A; Droughts Q&A; Glaciers Q&A; Q&A home:
Egocentrism: Childrens' thoughts and communications are typically egocentric (i.e. about themselves). Egocentrism refers to the child's inability to see a situation from another person's point of view. According to Piaget, the egocentric child assumes that other people see, hear, and feel exactly the same as the child does. Play: At the beginning of this stage you often find children engaging in parallel play.
Ego In Freudian theory, a concept referring to the conscious, rational part of the personality structure, which mediates between the impulses of the id and the rules of society. Elderly dependency ratio The ratio between the number of the elderly (65 and over) and the number of working-age people (ages 18 to 64).