Copper is an brown-orange color which it's atomic number is 29. With high thermal and electricity conductivity with it's smooth surface.
The answer is GAS. Gas has a physical state characterized by having no definite volume or shape and consisting of neutral particles. or it can also be plasma.
Hehehehwgwgw. Be the hardest thing ever for a long day and I have a windows
Hey there!
I believe the answer is Combination (or Synthesis) Reaction.
Answer:
Gravitational potential energy
Because
1. It's due to position so it's potential energy
2. Potential energy due to height is gravitational potential energy
