what makes a question scientific?\na. its a question that only scientists can answer.\nb. it deals with…

Brief Explanations:

A scientific question is one that can be answered through empirical evidence, which often involves observations. Option A is incorrect as non - scientists can also answer scientific questions with proper knowledge. Option B is too vague as "scientific issues" is not well - defined. Option C is not entirely accurate as some simple scientific questions may not require complex theories. Option D is correct as observations are a fundamental part of the scientific method to answer questions.

Answer:

D. It requires observations in order to answer it.