Answer:
<em>the</em><em> </em><em>correct</em><em> </em><em>answer is</em><em> </em><em>secondary</em><em> </em><em>succession</em><em> </em>
<em>option</em><em> </em><em>"</em><em>C</em><em>"</em><em>.</em><em>.</em><em>.</em><em>.</em>
Hey there! :)
Baltic sea has brackish water because of the large amounts of runoff
Brackish water has more salinity than fresh water but less than that of seawater.