Answer: 
Explanation: Photosynthesis is a phenomenon in which green plants containing chlorophyll use sunlight as a source of energy to convert carbon dioxide and water to form glucose and oxygen.
Photosynthesis is the process used by plants, algae and certain bacteria to convert energy from sunlight and turn it into chemical energy in the form of glucose which is used a s a source of energy by many organisms.
The balanced chemical equation for photosynthesis is written as :

 
        
                    
             
        
        
        
Answer and Explanation:
Digestion of carbohydrates occurs in the mouth, duodenum and small intestines. In the mouth, salivary amylase hydrolyses starch to maltose. In the duodenum, pancreatic amylase breaks down starch into maltose. In the small intestines, enzyme maltase digests maltose to glucose. 
 
        
             
        
        
        
Answer:
 Francium, which has an electronegativity of 0.7
Explanation: