asked 70.0k views
5 votes
Sometimes mirrors made of polished (A metal B flags C arms D semaphore) which flashed in the sun were used over long distances.

asked
User Vissie
by
7.9k points

2 Answers

1 vote
I think the answer is metal
answered
User Emy Ferreira
by
8.4k points
5 votes
The answer is metal! hope this helps!
answered
User Kudos
by
8.5k points
Welcome to Qamnty — a place to ask, share, and grow together. Join our community and get real answers from real people.