I believe that the answer is b.
        
             
        
        
        
Answer:
C. The seeds of sunflowers were used to make cooking oil.
Explanation:
"One way that they can make biofuel is by planting the sunflower seeds, harvesting them, taking the seeds, pressing them for their oil to create biodiesel and biofuel that could help run hybrid cars, so that people wouldn't have to use as much fuel".
 
        
             
        
        
        
C because most buildings in Italy have pointed arches
        
             
        
        
        
Answer:
Hug, High-Five, Pointing, Hand-Holding, and Hand-Shake
Explanation:
Hug: Is meant to show love to one another
High-Five: A gesture used when one is happy and showing  the happienss by physical contact 
Pointing: Often thought as to be rude showing that you are looking at a person or talking about a person or trying to put someones attention somewhere else
Hand-Holding: Used for leading someone or giving comfort
Hand-Shake: Used often for agreements and deals or a sign of frendship