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Biology, 07.10.2019 00:40 salvadorperez26
Which of the following is true about impervious building materials?
a.
impervious surfaces prevent pollutants from entering the water supply.
b.
vegetation and gravel are common impervious materials.
c.
having fewer impervious surfaces improves water drainage.
d.
all of the above
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Which of the following is true about impervious building materials?
a.
impervious surfa...
a.
impervious surfa...
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