The other guy is right, B is the answer now hurry and get that test prep done
 
        
             
        
        
        
During photosynthesis, plants take in light energy from the Sun, carbon dioxide from the air, and water through their roots. Oxygen is a product of photosynthesis.
        
             
        
        
        
More competition for food, because there wont be enough to go around
        
                    
             
        
        
        
Answer:
If a solution has a higher concentration of hydronium ions than pure water, it has a pH lower than 7. A solution with a pH lower than 7 is called an acid. As the hydronium ion concentration increases, the pH value decreases. Therefore, the more acidic a solution is, the lower its pH value is.
Explanation: