A hydrometer is used to measure the specific gravity of liquids (See Video V2.8). For a certain liquid a hydrometer reading indicates a specific gravity of 0.990. What is the (a) liquid's density and (b) specific weight? Express your answer in Sl units. kg/m³ (a) (b) N/m³

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Storm Sewers and Detention

The storm drains system transports rainwater or stormwater and other runoff from roads, parking lots, and roof downpipes directly to nearby creeks, rivers, or the sea without any treatment.