Answer:
It means inventions, creations, something non created before.
Explanation:
in·no·va·tion
/ˌinəˈvāSH(ə)n/
noun
the action or process of innovating.
Explanation:
Radio Waves -- The waves in the electromagnetic spectrum that have the longest wavelengths and lowest frequency are called radio waves.
From 500 A.D to 900 drama was almost unheard of outside of churches. People didn't care much for it up until after 900 A.D.
