Fill in the blanks:
with regards to mode of disease transmission, respiratory pathogens are generally and intestinal pathogens are generally spread by contaminated
options :
i. spread by direct contact
ii. vectors more transmissible
iii. needles
iv. spread by indirect contact
v. carriers airborne
vi. food or water

The correct options are V and VI.

Explanation:

The spreading of pathogens or microbes are known as transmission. Transmission of microbes are different types:

1) Person to person.

2) Transmission by food.

3) Transmission by contaminated water.

4) Transmission by the insects like house flies.

Respiratory pathogens are generally transmitted by air, they are airborne, and intestinal pathogens are generally spread by contaminated water or food we take.

the correct answer, according to e2020, is the second choice there is an occluded front in region a and a cold front in region b.

it's not c. i took the quiz and got it wrong. so my best guess is b.

have a great day, and hope this .