Answer: Positive, Normative
Step-by-step explanation: Positive economics is based on facts and objects that can be verified. While, normative economics is based on value based judgement that are difficult to verify.
Making a prediction today about the world's population in twenty years based on current growth trends is an example of positive economics.
Advising the residents of a town to choose a toll road over a freeway extension due to a limited budget and high trucking usage is an example of normative economics.