The correct answer is the C. Constitution for the United States of America.
Explanation
A preamble is a part of the introductory part of a law in which the reasons for which it originated are contextualized and exposed. According to the foregoing, the preamble of the United States allows us to know the context in which the Constitution originated and its purpose as a normative framework of a nascent nation. So the correct answer is the "C. Constitution for the United States of America" because fragment clearly establishes the purpose of this document.
Burning is a chemical process that involves a substance being broken down and changed into different substances so It is.
For the other question you can determine it by it’s reaction to the heat.
B. Envision i just had the same question and it was correct