Tench fish can’t survive salt concentrations beyond 1%. in which two areas can these fish be found?
lakes
oceans
rivers
seas

Lakes and rivers

Explanation:

Lago is the name used to designate a naturally formed depression that constantly stores a large amount of water. The water contained in a lake can have several origins, such as: own spring, rainwater, salt water from ancient seas, rivers and melting glaciers. The salt concentration in the lakes is greater than the concentration that allows the tench fish to survive. The same happens with the concentration of salt in rivers.

A river is a watercourse that flows naturally from a higher area to a lower one of the relief, usually flows into another river, lake or sea. These water courses are formed from rain, which is absorbed by the soil until it reaches impermeable areas in the subsoil where it accumulates, constituting what we call groundwater.

many phylogenetic trees have a single lineage at the base representing a common ancestor. a lineage that evolved early from the root and remains unbranched is called basal taxon. when two lineages stem from the same branch point, they are called sister taxa.

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explanation: