Answer:
I think its the third one :)
Explanation:
hope this helped :))
A. Indique la relación entre la ocurrencia de cancer y la edad.
Flu vaccination can help you from getting sick with flu. Vaccine reduces the risk of infection by working with body’s natural defenses to help them safely develop immunity to diseases. If you get sick, flu vaccine will make your illness milder.
1.) atom ; tissue
2.) cell
3.) organ system
4.) true
5.) atom
6.) Particle
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