Answer:
https://www.webassign.net/question_assets/wertzcams3/appendix.pdf
Steel because it is a physical combination of different metals.
The <span>form of energy of each substance contains.</span>
firewood, Kinetic energy
beans, Potential energy
flames, Kinetic energy
hiking, Kinetic energy
moving water, Kinetic energy
Answer: It is the number in the upper left (atomic number).
Explanation: The atomic number is normally the number of protons. I hope this helps.