Answer :
Answer: a). Humidification of the environment
c). Sucking on hard candy or throat lozenges
d). Adequate fluid intake
Explanation:
Humidification of the environment: This will prevent the loss of water from the body by sweating and increasing the tendency of thirst. This can prevent the dryness of mouth and associated cough.
Sucking on hard candy or throat lozenges: The sucking of candy or lozenges will likely to produce saliva in the mouth which will prevent dryness and associated cough.
Adequate fluid intake: This will fulfill the requirement of water in the body. Hence it will reduce dryness in the mouth and cough.