B. The first generation of pea plants were mostly tall.
        
             
        
        
        
Answer:
True.
Explanation:
Replication is the process by which a double-stranded DNA molecule is copied to produce two identical DNA molecules. To accomplish this, each strand of existing DNA acts as a template for replication.
 
        
             
        
        
        
D because destroying toxens and destroying tissues are caused by bacteria