How would you compare/contrast energy with system

Acm ruler with main graduations from 1 to 10 from left to right there are 10 secondary graduations between each of the main graduations there is a line that begins. at the left end of the ruler 10 secondary graduations to the left of the “1 main graduation the right end of the line ends on the eighth secondary graduation to the right of 3 how long is the line

8. what happens to matter during a chemical reaction

Atoms contain subatomic particles called protons and neutrons. when these protons and neutrons spilt, a lot of energy is released