What can be used to delete components from production?

Which two declarative process automation features can be directly invoked when a field value changes on a record? (Choose two.)

What is a valid source and destination pair that can send or receive change sets? (Choose 2)

A Platform Developer needs to write an Apex method that will only perform an action if a record is assigned to a specific Record Type.
Which two options allow the developer to dynamically determine the ID of the required Record Type by its name? (Choose two.)

A developer has JavaScript code that needs to be called by controller functions in multiple Aura components by extending a new abstract component.
Which resource in the abstract Aura component bundle allows the developer to achieve this?