The business analyst should use the metadata coverage report to determine which changes must be made manually in each environment. The metadata coverage report is a tool that shows which metadata types and components are supported in different development models and tools, such as change sets, Metadata API, Salesforce CLI, etc. The business analyst should use the metadata coverage report to identify which changes can be deployed automatically using declarative change sets and which changes must be made manually using other tools or methods. The object schema builder is not a resource to determine which changes must be made manually in each environment. The object schema builder is a tool that lets you create and modify custom objects and fields using a graphical interface. It does not show which metadata types and components are supported in different development models and tools. The setup audit trail is not a resource to determine which changes must be made manually in each environment. The setup audit trail is a tool that tracks the recent setup changes that you and other admins have made to your org. It does not show which metadata types and components are supported in different development models and tools. References: https://trailhead.salesforce.com/en/content/learn/modules/application-lifecycle-and-development-models/understand-what-application-lifecycle-management-is