The option which is an example of the weakest research question is A. What type of flower grows best in a Pacific Northwest garden?
This is because here, you are just going to say what flower that is, and maybe say a few words about it, and that's it - there's no actual research to be conducted here. The other options are far more extensive, and you can actually write about them a lot.
        
                    
             
        
        
        
<span>A hero is known as someone with admirable
characteristics, brave personality and for most of us, a hero is someone who
has super powers. We can all be heroes it’s just that we need to discover it
within us. Being a hero does not mean you need to have super powers. You can be
a hero to yourself, to someone, to everyone by just showing kindness, spreading
love and doing things that can influence people in a good way. The hero within
you is just being you. </span>
        
             
        
        
        
How long is the story supposed to be?
        
             
        
        
        
Answer:
because it shows how the seismograph is recording.
a seismograph is an instrument that measures and records details of earthquakes, such as force and duration.
Explanation:
just by looking at the image it shows people observing the seismograph measuring the environment around us which is what a seismograph does  
and by doing so its able to predict abnormalities and predict earthquakes