For the first question the answer is D and for the second question the answer should be B, hope this helps!
Answer:
The importance of effective communication among public health officials, the media, and the public is particularly critical during crises. During such times, the news media play an important role in amplifying or attenuating the public's perception of risk and serve as a key link in the risk communication process.
Answer:
Sickle cell trait has been observed in regions where malaria is common for over 50 years and has since become renowned for its perplexing ability to protect its carrier from malaria.
Explanation:
Their failure will adversely affect our ability to control malaria.
I am almost positive that C is your answer here