How chemically reactive the atom is.
let me know if this helps please!!!
A cactus would probably be the kind of vegitation you would find
AC motors work a slightly different way: they pass alternating current through opposing pairs of magnets to create a rotating magnetic field, which "induces" (creates) a magnetic field in the motor's rotor, causing it to spin around. You can read more about this in our article on AC induction motors.
The baseball one because it shows that the ball "soars" (accelerates) due to the force applied F=ma
I think it most likely burn since th metal tube is going to transfer so much heat