Piaget described simple pleasurable behaviors that infants repeat over and over such as sucking their thumbs, shaking rattles, or repeating simple sounds as

If you live in a city, you own your home, and you pay taxes, you are LEAST likely to experience which of the following events next year?

A) having a house fire B) being audited by the IRS C) being the victim of a violent crime D) being diagnosed with cancer

Stem cells are cells from which any other specialized type of cell can form

Indicate whether this statement is true or false.