Question

a.which of the following diseases will cause major ill-effects on general health?
elephantiasis, cough and cold, tuberculosis, diarrhea

b. what are such diseases called?

c. why do such diseases have major ill-effects on general health?

Answer 1

cough and cold
diseases are called microbial dieseases
the microorganisms called pathogenes are responsible for this

Answer 2

tubrculosis
chronic/communicable