Parasites need a host. If a host tries to get rid of the parasite or kill it, then the parasite either has to leave the body or die.
        
             
        
        
        
By trapping heat, greenhouse gases contribute to our planet's warming. Because of its involvement in the Earth's carbon cycle and nitrogen cycle, the biosphere influences the amounts of some of the major greenhouse gases such as methane, carbon dioxide, and nitrous oxide.
 
        
             
        
        
        
Answer:
 Relative age only tells us the order in which events occurred, from the earliest to the most recent. Knowing the actual date of an event allows us to say exactly how old something is or how long ago it actually took place.
Explanation:
 
        
                    
             
        
        
        
Broccoli is found in it
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