The ice stays on top because it is sold which means it is less dense than liquid (water) 
 
        
             
        
        
        
The sun transfers energy to the grass by radiation, which they turn into energy through photosynthesis. They have 100% of the energy in a food chain
        
             
        
        
        
Answer: Flowers need sunlight
Explanation:
Flowers are attracted to the light because its wants makes them grow its kinda like humans  eating food well as a flower they need water air and sunlight as there food.
 
        
             
        
        
        
Deep water currents affect the number of organisms found in the area by circulating nutrients due to upwelling. Upwelling is a process where cold water surfaces and encourages nutrients to the surface. When exposed to sunlight, they initiate energy which keeps the flow of the ecosystem.