I believe that this role would be the facilitator. Hope this helps!
Emissions has to the the answer. Though it could be Frequency range, but I doubt it.
Answer:
Reading between the lines is also known as inferring. It is when the information isn't explicit but you have to do some digging for it and it is not out of reach, therefore a reading between the lines question is a question where it doesn't give you all of the info, but you have to work out some of it for yourself.
Answer:
D
Explanation:
I think it is D because if you look closely at all the rules mark 5 in the figure