Answer:
My first is in window but not in pane. My second's in road but not in lane. My third is in oval but not in round. My fourth is in hearing but not in sound. My whole is known as a sign of peace. And from noah's ark won quick release.
Be sure to shout for its answers are weak, but there is no language it cannot speak.
Though not a plant, has leaves. Though not a beast, has spine. Though many wouldn't need this thing, It's more valuable than wine.
Many hear me, but no one sees me, and I only speak when spoken to
What stays the same size no matter how much they weight?
They are many and one, they wave and they drum, Used to cover a state, they go with you everywhere.