Broadcasting radio signals Monitoring air traffic As a NASA satellite signal flickr.com/photos/drgbb What was the Liberty Bell used for? To summon people to meetings To mark the day's hours To remind people to attend church services Where would you find this famous landmark?
15 Qs
Wolves howl so they can communicate certain signals to each other from a long distance away. To entice mates To scare away other packs To communicate over long distances All answers are correct How do migrating animals find their way?
11 Qs
Signaling the crowds to stop their advance in one of the first civil right protests, 1955 Marthin Luther King Jr. preaching to a Christian crowd, 1965 Marthin Luther King Jr. waving to the masses during the big march on Washington, 1966 Marthin Luther King Jr. announces his retirement from public life
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