Question

one characteristic of a lagoon is often _. concentrated salt deep - sea fossils glacial till turbidity currents

Explanation:

Lagoons can have high - evaporation rates leading to salt concentration. Turbidity currents are more related to underwater sediment - carrying flows in the open ocean. Glacial till is material left by glaciers. Deep - sea fossils are found in the deep ocean environment. Concentrated salt is a common feature in lagoons due to restricted water exchange and evaporation.

Answer:

concentrated salt