Which is not true about the law of conservation of mass?

How does cultural diffusion affect civilization

Atherapist at a free university clinic treats elementary school children with behavior problems who are referred by a social service agency. she is also a doctoral candidate who proposes using data she has and will collect about the children for a case-based research project. describe the type of parental permission which is required in this case?

Fthere was a high pressure system in your area and a bunch of clouds were blown in from a different direction, how would the pressure system in your area change? answer