hi there bestie [i think its 3]
 
        
             
        
        
        
No because the mass of the empty beaker , mass of beaker  is not balanced the amount of alcohol in the beaker.
        
             
        
        
        
The two strands of a DNA molecule must be separated
        
             
        
        
        
Answer:
Atoms of sulfur = 9.60⋅g32.06⋅g⋅mol−1×6.022×1023⋅mol−1 
Explanation:
because the units all cancel out, the answer is clearly a number, ≅2×1023 as required.
 
        
             
        
        
        
Answer:
producer to decomposer
Explanation:
This is because in a food chain , energy flow from one trophic level to another. The producer which include plants are the source of energy which they manufacture good in the presence of light energy from sun. Energy flow directly from the producer to the primary consumer which are heterotrophs that feed on plants. Energy flow from consumer to decomposer after the consumer died and it is decayed.