PLEASE HELP. WILL MARK BRAINLIEST!

Practice or pre-exercise theories of play pose the idea that a. play provides children with an opportunity to practice adult activities. b. play is necessary to reenergize human cognition. c. children have too much energy and play will rid them of that energy. d. children are the link between animals and human beings.

Akey feature of all epidemiology is the definition of a at risk. select one: a. pathogen b. ethnicity c. population d. lifestyle e. insect

Which is shown to be an effective treatment for depression?