The answer is B
display self confidence
c. telegraph came before the telephone obvi and the rest are not communication. telegraphs could be sent over seas
Smiling .. just makes people happier because smiling is a happy thin so u can start thinking happy and then it makes you happier ?? Idk that’s a guess
#30 a point at which parts artificial structure are joined
Answer:
C
Explanation:
This is what I put on my test, but I'm not sure if it's correct.