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History, 22.06.2019 13:30
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
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History, 22.06.2019 15:00
How did the pressure of westward expansion impact native americans? ?
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History, 22.06.2019 16:30
What two things did washington warn about in his farewell address?
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Mathematics, 17.03.2021 23:50
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