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Serjik [45]
3 years ago
9

Please do 1a, 1c and 3a thank you very much! :D

Biology
1 answer:
Natali5045456 [20]3 years ago
8 0
1 a. viruses<span>, bacteria, </span>fungi<span>, </span>protozoa<span>, and worms. 
1 c. </span><span>This would indicate that the hosts had some kind of immunity to the pathogen, it's not harmful, the pathogen is weak, or the pathogen does not attack the host
3 a. </span><span>Infectious diseases are spread through coughing, sneezing, physical contact, exchange of body fluids, contaminated water or food, or through zoonosis.
I hope this helps you!!</span>
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