Nuclear fusion is the answer of this question
        
             
        
        
        
Answer:
I believe the correct answer would be A. Unwind.
Explanation:
DNA must unwind so that it can be copied. After being copied by mRNA, it is then transported to the cytoplasm where the ribosomes translate it to RNA
Hope this helps,
♥<em>A.W.E.</em><u><em>S.W.A.N.</em></u>♥
 
        
             
        
        
        
Answer:
The experiment should have more different subject groups, with each group consuming a different amount of beta carotene.
Explanation:
When designing an experiment, to determine the effect of the amount of a substance, the experimental design should be done to accommodate more than two experimental group with each group treated with different amount of the substance and also a control group. This will enable the researcher to determine the effect of the different ranges of amount.
In the example, in other to determine if vitamin A is dependent of the amount of beta carotene consumed, there should be more different subject groups, with each group consuming a different amount of beta carotene. 
 
        
                    
             
        
        
        
Answer:
A).  dissolved into other substances
Explanation:
Process of elimination-
B) loss of protons-mechanical reaction
D) reorganized into different substances-physical reaction
 
        
             
        
        
        
Answer:
D. There is a reduced use of pesticides, herbicides, and fertilizers
Explanation: