The answer would be <span>B)	One of my sister's friends that she made in her college sorority are a doctor.
The subject-verb error occurs in the words made and are. Made indicates a past-tense event, while are indicates the present-tense. To fix the sentence, you could change are to is. 
</span>One of my sister's friends that she made in her college sorority is a doctor.
        
                    
             
        
        
        
Coastal upwelling occurs when the surface water is replaced by water rising along theshore.The surface water is often rich in nutrients, and prolonged wind can result in increasedbiological productivity.Upwelling can also influence the weather.Coastal downwellinghowever helps to drive water towards the coastline and be forced downward, returning seawardalong the continental shelf.This downwelling helps supply the deeper ocean with dissolvedgases and nutrients and it assist in the distribution of living organisms.Unlike upwelling,<span>downwelling has no direct effect on the climate or productivity of the adjacent coast</span>
        
             
        
        
        
Answer:
C in correct
Explanation:
Both of these sentences are correct they both show past and present tense.
 
        
             
        
        
        
If asked to in a professional setting they will ask