I'm not exactly sure what your asking but for animal diseases it would be a veterinarian
        
             
        
        
        
You can use the synonym clue in understanding the meaning of the underlined word. The other word synonymous to it might be more familiar to you so it would be a lot easier. The synonym clue says the word in a simple way.
        
             
        
        
        
Independent clause is necessary to complete the graphic organizer.
Answer: Option 1.
<u>Explanation:</u>
Sentence in English Grammar is a combination of words. This combination is complete in itself and makes sense to deliver the message and the purpose that it wants to. It consists of a subject and a predicate. Sentence can convey a statement, a command, a question or an exclamation.
The complex sentence is a type of sentence that consists of clauses in it. It can be a combination of two clauses also like an independent clause (which is complete in itself) and a subordinate clause (which is not complete in itself).