Answer:
B
eukaryotes are organisms that are unicellular and have no nucleus
Explanation:
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Positive impacts of genetic engineering:
•	New products are created such as food with higher nutrition values, drugs that are more effective and safer
•	Disease prevention (“correcting” the genetic mutation, or removing disease-causing gene)
Negative impacts of genetic engineering:
•	irreversible side effects, for example resistance of bacteria or introduction of viruses in human cells
•	abusing like change specific traits that are not connected with diseases, create human outcomes that are ethically questionable.
 
        
             
        
        
        
Water is an important transport and reaction medium  
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Answer:
They have increased the amount of certain organisms (a lot of crops and such) and made the soil healthier. Also, other organisms that may feed on this are having more food.
Explanation: