Question

what must milo do to free sound in the silent valley​

Answer 1

To free sound Milo must bring one sound from the fortress which the people can use to load their cannon. If the sound from the cannon reached the walls of the fortress, the walls would collapse releasing all the sound stored in the vaults

Answer 2

Explanation:

To free sound Milo must bring one sound from the fortress which the people can use to load their cannon. If the sound from the cannon reached the walls of the fortress, the walls would collapse releasing all the sound stored in the vaults.