The answer is jellyfish :)
        
                    
             
        
        
        
Cancer in general...What cancer is...Where can cancer spread to...When to get checkups...and How can someone seek appropriate treatment and the help they need that is emotionally and physically.
        
             
        
        
        
Answer: ecosystem
An ecosystem is a community of living and non-living components. A coral reef is an aquatic ecosystem which is formed by a continuous walls of calcium carbonates released by living animals they get combine to form rocks. These rocks and walls are collectively called as hard stony corals. These hard stony corals provide shelter to many aquatic animals like fishes. As the water is the chief abiotic factor along with coral walls and rocks which help in the survival of living organisms therefore, ecosystem is the largest organizational level found in one coral reef. 
 
        
                    
             
        
        
        
The answer using the formula f=1/T is f=1/5 which is 0.2hertz
        
             
        
        
        
Answer: A correlation is a measure or degree of relationship between two variables. A set of data can be positively correlated, negatively correlated or not correlated at all. As one set of values increases the other set tends to increase then it is called a positive correlation.
Explanation: Mark me brainly please