The answer would A.as information gathered from a primary source
Answer:
The best thing to use is a transceiver
Explanation: A transceiver is a popular device used to find avalanche victims. It can receive communications and send off them.
Answer:
It is either "B" or "D"
Explanation:
It might be "B" because they are talking about the American and British armies and how the Americans had a smaller army than the British.
But I also say "D" because, they are talking about the differences between communication 700 years ago and how it changed to now.
I think it's "D", that's what I would go with.
Hope I could help you.
Do I have an article or something I can look at???