Question

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

Answer 1

C. Having fewer impervious surfaces improves water drainage.

Answer 2

What is about impervious building materials is Having fewer impervious surfaces improves water drainage

What are building materials?

Building materials refers to substances or raw materials like cement, sands, blocks, wood and so on that is use in construction of a building or houses.

Therefore, What is about impervious building materials is Having fewer impervious surfaces improves water drainage

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