Why is a reCAPTCHA displayed when I did not choose to display it?

A Pardot administrator has pre-existing HTML that they want to use to build their landing page in Pardot. Which asset should be applied during the creation of the Pardot landing page to accomplish that goal?

An engagement program is using a dynamic list. A prospect was matching the rules of the list and completed Steps 1 through 3 of the engagement program. The prospect then was removed from the dynamic list because they no longer matched the rules.
If the prospect is added back to the dynamic list, what can an Administrator expect to happen?

What is a good way in Salesforce to verify that a record is syncing to a prospect in Pardot?

What is the main difference between automation rules and segmentation rules?