What was the name of the scientist that conducted the study?
O
Zachary Levi
O
Drake
Kristoffer Månsson
O
Dimitri Mendeelev

According to the national health and safety standards: guidelines for out-of-home care, what is the proper adult-to-child ratio for children younger than one year? a. one adult to one child b. one adult to two children c. one adult to three children d. one adult to four children