It's actually "comment allez-vous". And it is french (roughly translated) for "how are you" and is generally used formally when addressing your elders.
The second one “Aluminum and steel are good conductors of electricity.” Plastic would not be because it is a insulator. Wood is not a conductor nor a insulator.
Answer:
Communication uses gestures, signs, and body language.
Explanation:
Hope this helps :)
