Answer:
Poem dedicated to his Mom, Grandma, Aunt.
Explanation:
 
        
             
        
        
        
D) Mars & Jupiter is correct
        
             
        
        
        
Depends how many peanuts to a single elephant 
 
        
             
        
        
        
Hello There! ^_^
Your question: Which one of the following times would be the longest..?
You answer: The Paleozoic Era would be the longest time span.
the answer is option B.
Hope this helps!