Which adaptation do organisms need to live in an estuary? (there are no options just a written question.)

Explanation:

in almost all estuaries the salinity of the water changes constantly over the tidal cycle. to survive in these conditions plants and animals living in the estuaries have developed adaptations to respond quickly to drastic changes in Salinity

Organisms need gills to live in an estaury.

Explanation:

Because it helps the organisms to breathe in the water.

meteorologists would compare a new weather map with one 24 h old to see how fast a front is moving.

explanation:

on disadvantage of hydroelectric power is the cost. another disadvantage of using hydroelectric power is finding a water source powerful enough to harvest hydroelectric power.