When an EC2 instance that is backed by an S3-based AMI is terminated, what happens to the data on me root volume?

A. Data is automatically saved as an E8S volume.
B. Data is automatically saved as an ESS snapshot.

C. Data is automatically deleted.

D. Data is unavailable until the instance is restarted.

Explanation:
We recommend that you use AMIs backed by Amazon EBS, because they launch faster and use persistent storage.
http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/RootDeviceStorage.html#choose-an-ami-by-root-device