Which of the following is not characteristic of a behavior?
a. it can be observed.
b. it can be recorded.
c. it can be influenced by the environment.
d. it can include a person’s thoughts.

Which leader was the first african american president at two different institutions for higher learning

As our current atmosphere formed, the concentrations of various atmospheric gases fluctuated. match each gas with the explanation that best describes how its proportion changed during the evolution of the atmosphere.

Chen's research team randomly assigned some newborns and their mothers either to a breastfeeding promotion group (where breastfeeding was encouraged, but not required) or to a normal pediatric care group (where breastfeeding was neither encouraged nor discouraged). which research method did they use?