The best example of a sustainable design for water control is using natural vegetation on the roof to absorb water and reduce runoff. This method promotes biodiversity and optimizes water management in urban areas. Other options either do not fully embrace sustainability or address water management inadequately. ;
The best sustainable design for water control is option C: natural vegetation on the roof to absorb water and reduce runoff. This design effectively manages stormwater, supports biodiversity, and enhances urban environments. Other options are less sustainable due to their potential environmental impact or inefficiency in runoff management.
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