Answer:
Hi there,
Explanation:
well, the first source is more credible,why? because based on the principle of proof of argument, it is more credible to refer an article that is governmental published.
Answer: wind instruments, such as the flute.
Answer:
1. Flat
2. Round
3. Round
4. Flat
5. Flat
6. Round
Explanation:
These are what I think the answers are, but I could be wrong.
Hope this helps :)