Answer:
Energy that is not used in an ecosystem is eventually lost as heat. Energy and nutrients are passed around through the food chain, when one organism eats another organism. In each case, energy is passed on from one trophic level to the next trophic level and each time some energy is lost as heat into the environment.
Explanation:
 
        
             
        
        
        
Answer:
4
Explanation:
If we have the expression, 3/3/4.
Then this is the same as 3 × 4/3 
Which is the same as 12/3
Which is the same as 4
Hence the value of the expression 3/3/4 is 4
 
        
             
        
        
        
The correct answer is A.
The official guidelines from doctors state that infants should start consuming solid food after the age of six months. In order for the infants to be safe and healthy, they need to be able to sit up, support their back and chew safely before being given solid food.  
        
             
        
        
        
the answer is a a and b beacuse c is a dumb answer and i had this question before hope it helps !!!