Answer to Question 1
Disagree. A positive statement is one that is either descriptive or makes a prediction of the type if A, then B. A descriptive statement can be false. For example, the statement, It is raining today, may be either true or false. A prediction can also be false. A normative statement cannot appeal to evidence. The statement, It shouldn't rain today, cannot be evaluated as either true or false by looking to see if is raining or not.
Answer to Question 2
A