EASY QUESTION NO TROLLING

What is the name of the song released by the artist "owl city" in 2009 as a hit single? (it was also one of the dankest memes of 2017)

In 1401 a competition to create a set of bronze doors for the baptistery of florence cathedral was held, and this competition is often credited with the beginning of renaissance art t or f?

The protects the ear, collects sounds, and channels them to the middle ear a middle ear b ear drum' c front ear d outer ear