Dust, silt, minerals, and organisms are picked up by water and carried in suspension, along with turbidity. This describes which water characteristic?

Prepare for the Bioenvironmental Engineering Block 9 Exam with our interactive quiz. Utilize multiple choice questions, hints, and explanations to master the material and excel in your test!

Multiple Choice

Dust, silt, minerals, and organisms are picked up by water and carried in suspension, along with turbidity. This describes which water characteristic?

Explanation:
Dust, silt, minerals, and organisms in water describe the presence of solids carried in suspension, which is exactly what turbidity measures. Turbidity comes from particles floating or sinking slowly in the water, making it appear cloudy. That suspended material is what we call suspended solids. In water quality terms, solids can be grouped as suspended solids and dissolved solids, so describing the water as having suspended and dissolved solids covers the total solid content, including the portion that creates turbidity. Pathogens refer to disease-causing organisms and aren’t a direct measure of turbidity. Dissolved gases are substances dissolved in water and don’t contribute to cloudiness. Hardness relates to dissolved minerals like calcium and magnesium, not to suspended particles.

Dust, silt, minerals, and organisms in water describe the presence of solids carried in suspension, which is exactly what turbidity measures. Turbidity comes from particles floating or sinking slowly in the water, making it appear cloudy. That suspended material is what we call suspended solids. In water quality terms, solids can be grouped as suspended solids and dissolved solids, so describing the water as having suspended and dissolved solids covers the total solid content, including the portion that creates turbidity.

Pathogens refer to disease-causing organisms and aren’t a direct measure of turbidity. Dissolved gases are substances dissolved in water and don’t contribute to cloudiness. Hardness relates to dissolved minerals like calcium and magnesium, not to suspended particles.

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