Which aquatic environment is an example of a saltwater ecosystem?
O a marsh
O a river
O a sea
O a lake



Answer :

The correct answer is: - O a sea A sea is an example of a saltwater ecosystem. Saltwater ecosystems contain high levels of salt, unlike freshwater ecosystems like rivers and lakes. Seas are large bodies of saltwater that are interconnected with the ocean and contain a diverse range of marine life such as fish, corals, and marine mammals. The sea is characterized by its salt content and the unique organisms that have adapted to this environment.

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