B is the answer 
That is correct
        
                    
             
        
        
        
If a hypothesis is supported consistently by different observations or experiments, it may be advanced to the level of a(n) <u>theory</u>.
 
        
             
        
        
        
During the fall of 2009, the high tide entered the nisqually estuary for the first time in over 100 years.
<h3>What is Nisqually estuary?</h3>
This is formed when the freshwater of the Nisqually River meets the salt water of Puget Sound.
In the fall of 2009, the high tide entered it for the first time in nearly a century.
Read more about Estuary here brainly.com/question/785597
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