Question

A local college wants to test the water quality by performing a survey. Which description describes what they should collect?

the tap water quality at one house
the tap water quality at one local store
the river water quality by collecting water in the same spot
the river water quality by collecting water in different spots

Answer 1

The description that describes what they should collect is “the river quality by collecting water in different spots.”
The local college should test the water quality by performing tests on the reviver quality but in different areas.