Question

tell me both of the answer fast plz

Answer 1

19. those disease which can spread through some from one person to other is termed as communicable disease a. plasmodium.
b. bacilus anthrasis
c. entamobea histolytica

Answer 2

18. salts are the white iodine substance that is formed by the neutralization reaction of an acid and a base.they can formed when a base and an acid forms a reaction .the two types are the weak base in a reaction with a weak acid .
and another is strong base ina reaction with strong acid .
ex.. hcl + sodium hydroxide= sodium chloride + water

19.communicable diseases are those which can be transferred from one infected person to an another healthy person.
i.malaria- protozoans is the causative organism and mode of transmission is mosquito
ii.tuberculosis- bacteria is the causative organism and mode of transmission is air.
iii.amoebic desentry- protozoans is the causative organism and mode of transmission is water.
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