Replication/ reproduction. one side copies then replicates and matches up. hope this helps
        
             
        
        
        
Answer:
The sample mean is obviously different from the population mean, but tests of significance must be done to determine if the difference is statistically significant. The difference could possibly be attributed to chance or to sampling error.
Explanation:
pls mark me as brainleast and folow me
 
        
                    
             
        
        
        
That instant ... typically some moment on june 21 or 22 ... marks 
the beginning of the northern hemisphere Summer.
        
             
        
        
        
Answer:
see below :)
Explanation:
Infectious are more easily spread nowadays becuse of an increased population. The more the population increases, the bigger the advantage an infectious disease has. As of right now, because everyone is wearing masks, their immune systems are being weakened. Another reason for this is because of the increase in chemicals in our foods, which are now being transferred to our bodies. All of the medications people are taking also have an affect on the spread of disease; it gives diseases a chance to mutate.