Question

ocean water
quiz complete
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which is one of the ecosystems found in intertidal zones?
estuaries
trenches
coral reefs
kelp forests

Explanation:

Estuaries are ecosystems found in intertidal zones. Estuaries are partially enclosed coastal bodies where freshwater from rivers mixes with saltwater from the ocean. Trenches are deep - sea features (not intertidal). Coral reefs are mainly in subtidal zones (below low - tide level in most cases), and kelp forests are also typically in subtidal or deeper water areas.

Answer:

estuaries