Answer:
Beware all who enter here.
Explanation:
This is easy, so take a look at the third symbol. It corresponds with the "w" which is a right facing arrow and a dot inside of it.
 
        
                    
             
        
        
        
The passage is mainly about the Great Depression.
        
             
        
        
        
Awnser:
A. the writing is clearly focused on the different types of plants
 
        
                    
             
        
        
        
Answer:
A. A signal phrase may appear before, in the middle, or after researched information you are sharing. 
Explanation:
Signal phrases examples:
1. claim
2. assert
3. imply
4. suggest
5. dictum
5. posit
Phrases are group of words that doesn't have a complete thought unlike clauses that can stand alone since it has a subject and predicate whereas a phrase doesn't.
An adjective phrase is one type of phrase to describe a noun or pronoun subject in a sentence. Also is adverb clause.
Hope this was helpful