<span>a. where a freshwater river runs into an extension of the ocean</span>
        
             
        
        
        
Answer:
muscular system and nervous system 
Explanation:
I think ??????
 
        
             
        
        
        
It took 2 years since the population got doubled. So you have to double the year too.
        
             
        
        
        
Phase changes typically occur when the temperature or pressure of a system is altered. When temperature or pressure increases, molecules interact more with each other. When pressure increases or temperature decreases, it's easier for atoms and molecules to settle into a more rigid structure
        
             
        
        
        
Your answer would be the 3rd option, or C. Kudzu overgrows and crowds out native plant population, for sunlight and nutrients. Therefore, it's considered 'invasive' .
Hope this helps 'ya