Urie Bronfenbrenner, the Russian-born American psychologist, developed the Ecological Systems Theory to describe the development of people in relation to their environment. The three main ideas he focused on for this theory include teaching his findings to other people, researching designs and development, and . applying his theories
hiring research assistants
donating to charities
educating children

the second one is wrong

explanation:

teens need 8-10 hours of sleep. it kind of depends on what time you get up. but prob around 10 or 11 p.m. or 11 or 11: 30 p.m.

answer:

the questionnaire that you filled with all the “yes” responses will be asked by the doctor in order to determine the kind of problems and issues that you are currently facing. the doctor will also ask if there are any other concerns that you want to share that have not been mentioned in the questionnaire  

your doctor would also make sure that frequent appointments are scheduled for regular check ups.