The student should make sure that the instrument she will be using to measure the pH of the water is valid. 
Validity is concerned with an object's goal is able to measure the intended object.
<span> With this conclusion validity, our data gathered and presented are considered a reasonable one. It is the most important types of validity. As what is said, by having conclusion validity, your data will be undoubtedly least considered since it is labelled as statistical and well-studied. Once you already mention the word statistics meaning it is studied and surveyed with the most of the human race and includes relationship in your data.</span>
        
             
        
        
        
Image shows answer, obtained from google.
 
        
                    
             
        
        
        
pizza pizza pizza pizza pizza pizza 
 
        
             
        
        
        
Answer:
a
Explanation:
the kidney secretes an enzyme called rennin that helps to control blood pressure is not true the kidney does not secret rennin 
 
        
             
        
        
        
Answer:
I believe D would be the answer
Explanation:
As in the first part the pseudo podium is engulfing the particle which is more similar to taking food and the next part in the phagosome the particle is engulfed and further the enzymes would be released which would digest the particle hence similar to digestion