Answer:
b) Bioremediation
Explanation:
 The use of natural occuring or intentionally introduced micoorganisms to treat environmental pollutants is called as Bioremediation. 
- Most of the bioremediation processes includes oxidation-reduction reaction.
- The natural degradation process of pollutants is improved by bioremediation.
- Green plant, Decomposers and their enzymes are used in bioremediation to imrprove the condition of the environment.
 
        
             
        
        
        
Answer:
d. $48
Explanation:
1 year = 12% = 0.12
2 years = 12% × 2
2 years = 24% = 0.24
24% of $200 = 0.24 × 200
24% of $200 = $48
Therefore the interest on $200 for 2 years is $48
:) 
 
        
             
        
        
        
Answer: A (physical property)
Explanation:
It says they both had clear liquids in each cup and since ice floats on water the only option that makes sense is A. There were no chemical, magnetic, or temperature tests made.