Question by Sasha: please answer science question?
1.of the following ,which is an infectious disease?
a.asthma
b.diabetes
c.tuberculosis
d.heart disease
2. Lymphocytes are a type of
a.antigen
b.bacterium
c.biological vector
d. white blood cell
3.an antibiotic is a drug used to kill
a. bacteria
b.latent viruses
c. cyanobacteria
d.viruses
4. a chronic disease is
a. fatal
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