Which AWS service or tool does AWS Control Tower use to create resources?

Explanations:

AWS Control Tower uses AWS CloudFormation to provision and manage resources in multiple AWS accounts by creating and maintaining a set of pre-configured resources and policies.

AWS Trusted Advisor provides real-time guidance to help provision your resources according to AWS best practices, but it does not create resources.

AWS Directory Service is used for managing directories in AWS, but it is not utilized by AWS Control Tower for resource creation.

AWS Cost Explorer is a tool for analyzing and managing AWS costs and usage, but it does not create resources in any AWS accounts.