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zhannawk [14.2K]
2 years ago
13

Which of the following did you include in your answer? Check all that apply. weakened pathogen introduced to the body white bloo

d cells form antibodies against the pathogen memory cells remember the pathogen and attack it if it enters the body again vaccinations help the body build immunity
Biology
1 answer:
Svet_ta [14]2 years ago
6 0

Answer:

There are more conifers than other types of trees

Explanation:

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3 years ago
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