Who began visiting prisons in 1841 to examine the poor conditions, and made it a life's work to champion the needs of the mentally ill? A. Dorothea Dix
B. Thomas Gallaudet
C. Samuel Gridley Howe​

Who ever answer first get ! question 1 : which pair of words names two processes for treating water to make it clean? a. aeration, precipitation b. coagulation, refurbishing c. filtration, coagulation d. combustion, aeration question 2: which act did the u.s congress pass in 1972 to protect th nation's water? a. anti-pollution act b. watershed protection act c. clean water act d. nixon act