Benzene is a colorless liquid with a sweet odor. It evaporates into the air very quickly and dissolves slightly in water.
In psychology the term, early childhood is usually defined as the time period from the age of two until the age of six or seven years. There are three simultaneous development stages:
Standards for Early Childhood Programs in Centre-Based Child Care 58 Emotional Atmosphere To promote acceptable behaviour at the table, ch ildren should sit in groups of no larger than eight for children ages three to twelve and no larger than five for two year olds.tandards for Early Childhood Programs in Centre-Based Child Care 42 Grouping Group Size Group size refers to the number of children be ing cared for together by one or more ECEs in each defined, fully equipped homeroom.