A scientist hypothesizes that adding oyster reefs to a coastal estuary improves water clarity by filtering suspended particles from the water.
Which finding, if true, would most strongly support the scientist's hypothesis?
- A
Oysters are a popular seafood.
- B
Some estuaries support a wide variety of fish species.
- Ccheck_circle
Estuary sections where oyster reefs were restored showed significantly clearer water than nearby sections without oyster reefs over the same period.
- D
Coastal ecosystems can be sensitive to pollution.
Explanation
A directly compares clarity in restored and unchanged sections of the same estuary. B, C, and D are tangential.