Your answer is B., because it is unidentifiable, so if they don't know the source, then why cite it right? :P :D So anyways, that's why your answer is B. =)
I hope I helped! =D
Answer:
1)You have facilitated communications
2)We have access to tons of information in seconds.
The answer is: Impromptu speeches require lots of research.
When you Impromptu, it means that it was not prepared ahead of time. Usually it requires stock information. Research could not be used in impromptu speeches as it is something that is done without preparation.
Answer:
World War 1 soldiers had to fight at any time ,day or night.So European glowworms at night guided them.That is how they are clever.
Answer:
Posiedon claims Percy as his child or Percy heals using water during the capture the flag fight?