An amino acid is a protein, there is 4 groups Carbohydrates, lipids, Proteins, sugars
Viruses are the microorganisms who needs to infect the living host cells, in order to replicate or reproduce. These infectious agents are capable of injecting and infecting all the life forms present, including the plants, animals and bacteria. The viruses were not among the first organisms to evolve as in order to replicate themselves and continue through the time they needed other organisms' cell.
Hence, the correct answer is 'viruses have to infect a living cell in order to reproduce'.
Answer:
B. Near the airport
Explanation:
Because both A and B are places where many people are found so placing a landfill for toxic waste near them will harm the people there. While putting the landfill near the airport places it at a great distance from from any populated areas.
