What are the languages spoken in USA? Name each of them.​

During sensitive periods of brain development like cell migration the brain is vulnerable to effects like: a. malnutrition b. infection c. toxins /drug use d. b and c e. all of the above

David works in the police force. he is mainly in charge of crime prevention, detection, and maintaining order. he works at the rank of a .

Is anyone in 6th grade here because i only see high school stuff