The coefficient in a chemical formula represents the amount of each chemical present. The amount of a substance is measured in moles.
Answer:
Human body systems can be compared to anything that has many parts doing specialized jobs to help the whole. Here's an example: The human body is like a city. The nervous system of the body is like the government of the city because the nervous system controls the body like the government controls the city.
Rust is classified as Metal Oxide!
