Composting is a form of waste that uses organic materials to put into plants in order to help them grow and flourish. It saves energy, and it doesn't give off many gasses to help the Earth. 
However, it is ineffective on the large scale and cannot be mass produced to help Earth instantly because of the large amounts of inorganic materials.
        
             
        
        
        
Answer:
A) Black winged beetles have higher fitness than white winged beetles 
Explanation:
Because after the white winged beetles have played their eggs they die
 
        
             
        
        
        
The answer is B. Precipitin Test.
        
             
        
        
        
Answer:
No, a blood test could not eliminate the father.
Explanation:
The mother had B type blood, so the possible genotypes are BB and BI.  The father had A type blood, so the possible genotypes are AA and AI.  The child had O type blood, so the only possible genotype is II.  If the mother has the genotype BI and the father has the genotype AI, then there is a 25% chance the child will have the blood type O, or II (I used a punnet square with the genotypes BI and AI to solve this.)