Answer:I think it’s answer D-Were formed by water based solution , water makes everything more flat and smooth , I’m not sure though 
 
        
                    
             
        
        
        
The products are glucose and oxygen
And 
Oxygen is released from leaves as a gas
The equation is 
6carbon dioxide+6water____6water+6oxygen
I hope that helped!!!!!!!!!!
        
             
        
        
        
Answer:
Temperature
Altitude or Elevation
Moisture or water vapour.
Explanation:
 
        
             
        
        
        
They all have pollen in the center which makes them duplicate and make more of their species of flower
        
             
        
        
        
B because when ice melts it doesn't stay  in the same form