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:
Pennsylvaniaâs Early Intervention program provides support and services to families with children, from birth to age five, with developmental delays and disabilities. Early intervention builds upon the natural learning opportunities that occur within the daily routines of a child and their family.