How many charts can you embed into the account page layout?

If a child record in a master-detail relationship is deleted, the parent is deleted.

Cloud Kicks works on an annual subscription model. When a sale rep marks an opportunity as closed won, a new opportunity should automatically be created for the renewal. The contracts team works outside of salesforce but also needs to be notified about closed deals in order to initial the contract process with the customer.
Which automation solution would meet these requirements?

When an opportunity close date is delayed by more than 60 days, the manager and the VP sales must approve the change. How can this requirement be met? Choose 2 answers

DreamHouse Realty wants to import its property records from an external system into Salesforce. The app builder will use an external ID field to house the property ID from the external system.
Which two details should the app builder know when using external ID fields?
Choose 2 answers