Which AWS service is a continuous delivery and deployment solution?

Explanations:

AWS AppSync is a service that allows developers to create GraphQL APIs by connecting to data sources. It does not provide continuous delivery or deployment solutions.

AWS CodePipeline is a continuous delivery service that automates the build, test, and release phases of application development, facilitating fast and reliable deployments.

AWS Cloud9 is an integrated development environment (IDE) that allows for code editing and collaboration but does not handle continuous delivery or deployment.

AWS CodeCommit is a source control service that enables teams to host secure and scalable Git repositories but does not provide the continuous delivery capabilities of AWS CodePipeline.