How does a child's ability to understand a logic problem that involves conservation change between age 5 and 7?

What behavior of an expectant mother is unhealthy for the fetus

The real advantage to hydrostatic weighing is that it a. can be done anywhere with no equipment b. gives one of the most accurate measurements of body fat c. uses calipers to measure body fat select the best answer from the choices provided.

About how many individuals in the us go bankrupt each year due to medical bills?