Which pair shows compounds with the same radical

In which of the following ways is the function of the surface of a microsphere similar to the function of an actual cell membrane? a.both make it possible for the conditions in the interior to be different from the conditions outside. b.both provide a barrier that keeps water from flowing across it so the interior remains dry. c.both separate the rna that forms in the interior from any rna that might form in the environment. d.both can actively move molecules into the interior or out into the surrounding environment.

Of seawater increases with decrease in the temperature. therefore, the cold water sinks to the deeper layers at the bottom

Ais a landform that is formed at the mouth of a river from the deposition of sediment carried by the river as the water flows.