The two FlexCard features that the consultant should recommend to meet this requirement are: Flyouts and Responsive property. A Flyout is a pop-up window that can display additional information or actions for a FlexCard. The consultant can use a Flyout to show the list of past service dates for each product, without cluttering the main FlexCard. The Responsive property is a property that determines how a FlexCard adapts to different screen sizes and orientations. The consultant can enable the Responsive property to make the FlexCard display well on mobile devices, such as tablets or phones

Explanation
Reusable OmniScripts are OmniScripts that can be embedded within other OmniScripts to create modular and reusable components. They can be nested up to unlimited levels deep, as long as there are no circular references or conflicts between the parent and child OmniScripts.
The other options are not correct because:
* 2: This is too low and does not reflect the full potential of reusable OmniScripts.
* 5: This is also too low and does not reflect the full potential of reusable OmniScripts.
* 1: This is incorrect and does not make sense, as reusable OmniScripts are meant to be nested within other OmniScripts.

The business problem that DataRaptor solves is that it removes the need to code data mappings for data transformations. DataRaptor allows the designer to declaratively define how data is read, transformed, and written between Salesforce and external systems. It does not allow developers to create complex API queries declaratively, as this is done by Integration Procedures. It does not combine multiple steps and processes into a single server call, as this is done by Calculation Procedures. It does not guide humans through a complex business process, as this is done by OmniScripts.

The consultant can recommend creating a reusable OmniScript to update address information. A reusable OmniScript is an OmniScript that can be embedded in another OmniScript as a sub-process. This way, the consultant can create one OmniScript that collects the address information in a consistent way using the same labels and input elements, and then use it in multiple OmniScripts that need to update address information.
This will improve the design and maintenance of the OmniScripts.

The OmniStudio tools that should be recommended to meet these requirements are single OmniStudio Action that invokes separate Omniscripts. OmniStudio Action can be used to conditionally launch different Omniscripts based on the record type of the contact. Omniscripts can be used to implement the verification processes for each type of contact. Specific FlexCards with Actions for each type of Contact would require creating redundant FlexCards and Actions for each record type. Multiple OmniStudio Actions that invoke separate Omniscripts would require creating redundant Actions for each record type. Single FlexCard with an Action to invoke an Omniscript would not allow for different verification processes based on the record type.