The most common water treatment filters use activated ____, a block of porous mineral that is effective at removing contaminants from water that passes through it.
A) carbon
B) silicon
C) sulfate
D) phosphate
Correct Answer:
Verified
Q20: _ valves in showerheads allow for control
Q21: Fiberglass, plastic, and _ sinks are not
Q22: The 1992 Energy Policy Act required that
Q23: Toilets are available with _ flush mechanisms
Q24: _ valves are designed to deliver just
Q26: Match each item with a statement below.
-Waste
Q27: Match each item with a statement below.
-Chemically
Q28: Match each item with a statement below.
-Made
Q29: Match each item with a statement below.
-Made
Q30: Match each item with a statement below.
-Waste
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