Which future president was involved in the investigation into alger hiss?

Hey!me its for an important test! ! which issue during the progressive era would most likely have united mary harris "mother” jones and lewis hine? a) ending child labor b) regulating monopolies c) using photography to expose poor working conditions d) exposing the lack of jobs available for untrained laborers

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

What is a characteristic of prehistoric