A company wants to create a dynamic survey that navigates users through a different series of questions based on their previous responses.
What is the recommended solution to meet this requirement?

What is the optimal technique a developer should use to programmatically retrieve Global Picklist options in a Test Method?

What is a limitation of a "getxxx" method (for example, getName) in a custom Visualforce controller?

Which method should be used to convert a Date to a String in the current user's locale?

A developer is writing unit tests for the following method:
public static Boolean isFreezing(String celsiusTemp){ if(String.isNotBlank (celsiusTemp) && celsiusTemp.isNumeric()){ return Decimal.valueof(celsiusTemp) <
0; } return null; }
Which assertion would be used in a negative test case?