The energy that is released in the hydrogen fusion reaction comes from the difference in mass between the 4 hydrogen H nuclei and single helium He nucleus
The answer is: The difference in mass between the four hydrogen nuclei and single helium nucleus
B.gas would has the most kinetic enegry because its particles move freely
break down food into smaller molecules the body can use; absorb molecules into blood and carry them throughout the body; eliminate wastes from the body
I think iron because the other options are all bad conductors.
Both Physical and chemical changes.
