Answer:
A biological community of interacting organisms and their physical environment.
Explanation:
A balanced ecosystem signifies a habitat which is sustainable. It consists of animals, plants, microorganisms and more which depend on each other and their surroundings. These ecosystems exhibit resourceful energy and material cycling. It also displays interconnectedness amid primary producers and predators. 
<u><em>HEY NEPALICHITRA (AMRITA) lol NEYMAR JUNIOR FAN</em></u>
 
        
             
        
        
        
Answer:
Option C
Explanation:
For chagarff's rule, it clearly states that DNA from any cell of any organisms be it prokaryotes or eukaryotes should have the basic 1 (purine): 1 (pyrimidine) ratio. Particularly, amount of adenine should be equal to thymine, and guanine equal to cytosine. This is in particular reference to organisms that have double stranded DNA.
 
        
             
        
        
        
Laws can be tested over and over and their results will still be the same, and laws cannot be disproved. Theories can always be disproved beause they are tested and experimented continously and results can change. Laws can't be theories but theories can be turned to laws. Hope this helps, didn't know an exact answer to that but I hope you can draw your answer from this information.
        
                    
             
        
        
        
A, carbohydrates
Please give me brainlist
        
             
        
        
        
Answer:by rotation that is powered by the motive force
Explanation: