In tidal pools,
A. oxygen concentrations are usually higher during the day than during the night.
B. carbon dioxide concentrations are usually higher during the day than during the night.
C. salinity is usually higher during the night than during the day.
D. temperature is usually higher during the night than during the day.
Answer:A
In tidal pools,
A. oxygen concentrations are usually higher during the day than during the night. B. carbon dioxide concentrations are usually higher during the day than during the night. C. salinity is usually higher during the night than during the day. D. temperature is usually higher during the night than during the day.