Answer: A. True
Explanation: Combustion is a chemical process in which a substance reacts rapidly with oxygen and gives off heat. The original substance is called the fuel, and the source of oxygen is called the oxidizer. ... During combustion, new chemical substances are created from the fuel and the oxidizer.
Answer:
B. as a food preservative in the manufacture of detergents
.........
Somewhat false
observations can be made of a model of the statue of liberty, say, or in real line
And what are the compounds?
